Security Affairs

APRIL 1, 2022

Zyxel issued security updates for a critical vulnerability that affects some of its business firewall and VPN devices. Networking equipment vendor Zyxel has pushed security updates for a critical flaw, tracked as CVE-2022-0342 (CVSS 9.8), that affects some of its business firewall and VPN products. Patch 1 VPN ZLD V4.30

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Firewall VPN Firmware Authentication 106

Security Affairs

APRIL 6, 2020

DarkHotel nation-state actor is exploiting a VPN zero -day to breach Chinese government agencies in Beijing and Shanghai. Chinese security-firm Qihoo 360 has uncovered a hacking campaign conducted by a DarkHotel APT group (APT-C-06) aimed at Chinese government agencies in Beijing and Shanghai. ” continues the researchers.

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VPN Government Advertising Firmware 144

Security Affairs

APRIL 7, 2021

Attackers are actively exploiting the CVE-2018-13379 flaw in Fortinet VPN to deploy the Cring ransomware to organizations in the industrial sector. “The primary causes of the incident include the use of an outdated and vulnerable firmware version on the Fortigate VPN server (version 6.0.2 ” continues Kaspersky.

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VPN Ransomware Antivirus Firmware 131

Security Affairs

APRIL 28, 2023

The vulnerability is an improper error message handling in Zyxel ZyWALL/USG series firmware versions 4.60 through 4.73, VPN series firmware versions 4.60 through 5.35, USG FLEX series firmware versions 4.60 through 5.35, and ATP series firmware versions 4.60 through 5.35, USG FLEX series firmware versions 4.50

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Firewall Firmware VPN Authentication 98

Security Affairs

JUNE 16, 2024

Some impacted models will not receive the firmware updates because they have reached the end-of-life (EoL). Remote access (Web access from WAN), virtual server (Port forwarding), DDNS, VPN server, DMZ, port trigger Follow me on Twitter: @securityaffairs and Facebook and Mastodon Pierluigi Paganini ( SecurityAffairs – hacking, routers)

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Authentication Firmware VPN Manufacturing 131

Security Affairs

JUNE 4, 2023

Zyxel has published guidance for protecting firewall and VPN devices from the ongoing attacks recently discovered. Zyxel has published guidance for protecting firewall and VPN devices from ongoing attacks exploiting CVE-2023-28771 , CVE-2023-33009 , and CVE-2023-33010 vulnerabilities. Patch 2 VPN ZLD V4.60 Patch 1 ZLD V5.36

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Firmware VPN Firewall Hacking 98

Security Affairs

NOVEMBER 29, 2020

Experts found a critical flaw in Real-Time Automation’s (RTA) 499ES EtherNet/IP stack that could allow hacking industrial control systems. Experts was that vendors may have bought vulnerable versions of this stack before the 2012 update and are still using it in their firmware. Tracked as CVE-2020-25159 , the flaw is rated 9.8

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Hacking Firmware Internet Internet 142

Security Affairs

JUNE 19, 2023

ASUS addressed critical vulnerabilities in multiple router models, urging customers to immediately install firmware updates. ASUS is warning customers to update some router models to the latest firmware to address critical vulnerabilities. “Update your router to the latest firmware. ” ASUS added.

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Firmware VPN Wireless Passwords 98

Security Affairs

JUNE 1, 2023

“Improper error message handling in Zyxel ZyWALL/USG series firmware versions 4.60 through 4.73, VPN series firmware versions 4.60 through 5.35, USG FLEX series firmware versions 4.60 through 5.35, and ATP series firmware versions 4.60 VPN ZLD V4.60 ” reads the advisory published by NIST.

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Firewall Firmware VPN DDOS 98

Security Affairs

FEBRUARY 6, 2024

The malware survives reboots and firmware upgrades. Moreover, the infection survives firmware upgrades.” s Follow me on Twitter: @securityaffairs and Facebook and Mastodon Pierluigi Paganini ( SecurityAffairs – hacking, China-linked APT) ” continues the report.

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Malware Firmware VPN Backups 136

Security Affairs

NOVEMBER 2, 2024

Successful exploitation of these vulnerabilities could allow attackers to steal sensitive data, inject firmware payloads, and even reach LAN-connected devices. Attackers maintained persistence through VPN credentials, Active Directory DCSYNC access, and firmware-hooking methods to survive updates.

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Firmware Government Firewall Malware 122

Security Affairs

JULY 3, 2023

Researchers reported that there are 490,000 Fortinet firewalls exposing SSL VPN interfaces on the internet, and roughly 69% of them are still vulnerable to CVE-2023-27997. For this reason, if the customer has SSL-VPN enabled, Fortinet is advising customers to take immediate action to upgrade to the most recent firmware release.

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Firewall VPN Firmware Internet 98

Security Affairs

SEPTEMBER 4, 2019

Experts at SEC Consult discovered several security issues in various Zyxel devices that allow to hack them via unauthenticated DNS requests. The first issue is an information disclosure flaw via unauthenticated external DNS requests that affect Zyxel devices from the USG, UAG, ATP, VPN and NXC series. ” reads the advisory.

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DNS Hacking Firmware Wireless 95

Security Affairs

JULY 15, 2021

x firmware in an imminent ransomware campaign using stolen credentials.” “The exploitation targets a known vulnerability that has been patched in newer versions of firmware.” The network equipment vendor is now urging customers to update the firmware of their devices as soon as possible. “If 34 or 9.0.0.10

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Firmware Ransomware Passwords Mobile 119

Krebs on Security

JUNE 15, 2023

” When security experts began raising the alarm about a possible zero-day in Barracuda’s products, the Chinese hacking group altered their tactics, techniques and procedures (TTPs) in response to Barracuda’s efforts to contain and remediate the incident, Mandiant found. “Patch your #Fortigate.” ”

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Risk VPN Internet Internet 230

Security Affairs

AUGUST 4, 2022

All the affected models have a patched firmware available for download on the vendor’s website.” SecurityAffairs – hacking, DrayTek Vigor). The post Unauthenticated RCE can allow hacking DrayTek Vigor routers without user interaction appeared first on Security Affairs. Pierluigi Paganini.

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Hacking Internet Internet Passwords 100

Security Affairs

JULY 18, 2021

x firmware in an imminent ransomware campaign using stolen credentials.” The exploitation targets a known vulnerability that has been patched in newer versions of firmware.”. The network equipment vendor is now urging customers to update the firmware of their devices as soon as possible. reads the alert published by the company.

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Ransomware Firmware Mobile InfoSec 139

Security Affairs

JUNE 20, 2023

The vulnerability is a pre-authentication command injection issue that impacts the Zyxel NAS326 firmware versions prior to V5.21(AAZF.14)C0, 14)C0, NAS540 firmware versions prior to V5.21(AATB.11)C0, 11)C0, and NAS542 firmware versions prior to V5.21(ABAG.11)C0. ” reads the advisory published by Zyxel.

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Firmware Firewall Authentication VPN 98

Security Affairs

JANUARY 6, 2021

Threat actors are attempting to hack Zyxel devices exploiting the recently disclosed vulnerability CVE-2020-29583, security researchers warn. The Taiwanese vendor Zyxel has recently addressed a critical vulnerability in its firmware, tracked as CVE-2020-29583 , related to the presence of a hardcoded undocumented secret account.

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Firmware Passwords Accountability VPN 126

Security Affairs

DECEMBER 5, 2021

The most common issues discovered by the experts were outdated Linux kernel in the firmware, outdated multimedia and VPN functions, presence of hardcoded credentials, the use of insecure communication protocols and weak default passwords. SecurityAffairs – hacking, routers). ” reads the advisory published by the experts.

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Manufacturing IoT Firmware VPN 145

Security Affairs

NOVEMBER 14, 2023

The vulnerability is an improper error message handling in Zyxel ZyWALL/USG series firmware versions 4.60 through 4.73, VPN series firmware versions 4.60 through 5.35, USG FLEX series firmware versions 4.60 through 5.35, and ATP series firmware versions 4.60 through 5.35.

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Cyber Attacks Firmware Firewall VPN 139

Security Affairs

JULY 22, 2023

The cause of the vulnerability is the improper error message handling in Zyxel ZyWALL/USG series firmware versions 4.60 through 4.73, VPN series firmware versions 4.60 through 5.35, USG FLEX series firmware versions 4.60 through 5.35, and ATP series firmware versions 4.60 through 5.35.

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DDOS Firmware VPN Firewall 98

Krebs on Security

JULY 25, 2023

Now new findings reveal that AVrecon is the malware engine behind a 12-year-old service called SocksEscort , which rents hacked residential and small business devices to cybercriminals looking to hide their true location online. Image: Lumen’s Black Lotus Labs. Usually, these users have no idea their systems are compromised.

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Malware VPN Internet Internet 208

Security Affairs

MARCH 28, 2020

The two critical remote command injection vulnerabilities tracked as CVE-2020-8515 affect DrayTek Vigor network devices, including enterprise switches, routers, load-balancers, and VPN gateway. On the 6th Feb, we released an updated firmware to address this issue.” firmware or later. SecurityAffairs – DrayTek, hacking).

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Firmware VPN Accountability Advertising 124

Security Affairs

JUNE 13, 2023

“A heap-based buffer overflow vulnerability [CWE-122] in FortiOS and FortiProxy SSL-VPN may allow a remote attacker to execute arbitrary code or commands via specifically crafted requests.” If the customer is not operating SSL-VPN the risk of this issue is mitigated – however, Fortinet still recommends upgrading.”

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Firewall VPN Firmware Manufacturing 98

Security Affairs

JANUARY 14, 2024

The vulnerability is an improper error message handling in Zyxel ZyWALL/USG series firmware versions 4.60 through 4.73, VPN series firmware versions 4.60 through 5.35, USG FLEX series firmware versions 4.60 through 5.35, and ATP series firmware versions 4.60 through 5.35.

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Firewall Firmware Cyber Attacks VPN 136

Security Affairs

MAY 13, 2022

Below is the list of vulnerable products and related patches: Affected model Affected firmware version Patch availability USG FLEX 100(W), 200, 500, 700 ZLD V5.00 USG FLEX 50(W) / USG20(W)-VPN ZLD V5.10 VPN series ZLD V4.60 If possible, enable automatic firmware updates. SecurityAffairs – hacking, Zyxel).

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Firewall Firmware VPN Wireless 98

Security Affairs

MAY 17, 2022

Below is the list of vulnerable products and related patches: AFFECTED MODEL AFFECTED FIRMWARE VERSION PATCH AVAILABILITY USG FLEX 100(W), 200, 500, 700 ZLD V5.00 USG FLEX 50(W) / USG20(W)-VPN ZLD V5.10 VPN series ZLD V4.60 If possible, enable automatic firmware updates. SecurityAffairs – hacking, domain name system).

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Firewall VPN Firmware Internet 98

Security Affairs

SEPTEMBER 7, 2022

flaw is classified as a format string vulnerability that resides in Zyxel NAS326 firmware versions prior to V5.21(AAZF.12)C0. Below is the list of affected models and the firmware patches released by the company. SecurityAffairs – hacking, Zyxel). The CVE-2022-34747 (CVSS score: 9.8) 11)C0 and earlier V5.21(AAZF.12)C0

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Firewall Firmware Authentication VPN 104

Security Affairs

JUNE 23, 2021

A critical vulnerability, tracked as CVE-2021-20019 , in SonicWall VPN appliances was only partially patched last year and could allow a remote attacker to steal sensitive data. The flaw resides in the HTTP/HTTPS service used for product management as well as SSL VPN remote access. “An reads the analysis published by Tripwire.

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VPN Firewall Firmware Authentication 129

Security Affairs

SEPTEMBER 22, 2021

The flaw, tracked as CVE-2021-40847, resides in the source of a third-party component included in the firmware of many Netgear devices. SecurityAffairs – hacking, SOHO). This code is part of Circle , which is used to implement parental control features to these devices. R6700v3 – 1.0.4.106 R6900 – 1.0.2.16

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DNS Firmware VPN Risk 142

Security Affairs

DECEMBER 27, 2021

The researchers performed reverse engineering of the firmware image for the COMpact 5500, version 7.8A RedTeam Pentesting reported the issues to Auerswald on September 10, 2021, and the German manufacturer addressed the issue with the release of a firmware update in November 2021. “Firmware Update 8.2B Pierluigi Paganini.

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Firmware Manufacturing Passwords Penetration Testing 114

Security Affairs

SEPTEMBER 15, 2020

7 ] CVE-2019-19781 : Citrix Virtual Private Network (VPN) Appliances – CISA has observed the threat actors attempting to discover vulnerable Citrix VPN Appliances. Citrix blog post: firmware updates for Citrix ADC and Citrix Gateway versions 12.1 SecurityAffairs – hacking, China). Pierluigi Paganini.

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Government VPN Firmware Energy and Utilities 105

Security Affairs

OCTOBER 22, 2022

The Daixin Team group gains initial access to victims through virtual private network (VPN) servers. In one successful attack, the attackers likely exploited an unpatched vulnerability in the organization’s VPN server. In another compromise, the group leveraged on compromised credentials to access a legacy VPN server.

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Ransomware VPN Cybercrime Accountability 80

Security Affairs

MAY 1, 2021

If you must connect your NAS to the internet, we highly recommend using a trusted VPN or a myQNAPcloud link.” In September, while the AgeLocker ransomware was continuing to target QNAP NAS systems, the Taiwanese vendor urged customers to update the firmware and apps. SecurityAffairs – hacking, QNAP). Pierluigi Paganini.

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Ransomware Cryptocurrency Malware Internet 144

Security Affairs

DECEMBER 22, 2022

Maintain device health with updates: Make sure devices are up to date with the latest firmware and patches. Use least privileges access: Use a secure virtual private network (VPN) service for remote access and restrict remote access to the device. SecurityAffairs – hacking, botnet). Pierluigi Paganini.

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IoT DDOS Malware Firmware 128

Security Affairs

JULY 8, 2022

Below is the content of the ransom not shared by a victim on the BleepingComputer forum: Here is the content: “ ……… You was hacked by CHECKMATE team. ……… “ The vendor recommends not exposing the SMB service to the internet and using VPN to access the NAS and reduce the attack surface.

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Ransomware Encryption Passwords Internet 110