Security Affairs

APRIL 28, 2023

Researchers from TRAPA Security have discovered a critical remote code execution vulnerability, tracked as CVE-2023-28771 (CVSS score 9.8), impacting Zyxel Firewall. 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

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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 132

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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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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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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Security Affairs

FEBRUARY 6, 2024

The malware survives reboots and firmware upgrades. Moreover, the infection survives firmware upgrades.” reads the advisory published by the security vendor. reads the advisory published by the security vendor. COATHANGER is a stealthy malware that hooks system calls that could reveal its presence.

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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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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. ” concludes the report.

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Security Affairs

JULY 15, 2021

. “Through the course of collaboration with trusted third parties, SonicWall has been made aware of threat actors actively targeting Secure Mobile Access (SMA) 100 series and Secure Remote Access (SRA) products running unpatched and end-of-life (EOL) 8.x x firmware in an imminent ransomware campaign using stolen credentials.”

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Firmware Ransomware Passwords Mobile 120

Security Affairs

JULY 18, 2021

“Through the course of collaboration with trusted third parties, SonicWall has been made aware of threat actors actively targeting Secure Mobile Access (SMA) 100 series and Secure Remote Access (SRA) products running unpatched and end-of-life (EOL) 8.x x firmware in an imminent ransomware campaign using stolen credentials.”

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Security Affairs

JUNE 20, 2023

Zyxel released security updates to address a critical security flaw, tracked as CVE-2023-27992 (CVSS score: 9.8), affecting its network-attached storage (NAS) devices. The vulnerability is a pre-authentication command injection issue that impacts the Zyxel NAS326 firmware versions prior to V5.21(AAZF.14)C0,

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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 140

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

Security Affairs

DECEMBER 5, 2021

The researchers analyzed the network devices using IoT Inspector’s security platform, which checked for thousands of CVEs and security flaws. “Some of the security issues were detected more than once. Since the integration of a new kernel into the firmware is costly, no manufacturer was up to date here.

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Security Affairs

JANUARY 6, 2021

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. Firmware version 4.60 The password for this account can be found in cleartext in the firmware.” reads the advisory published by NIST.

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Firmware Passwords Accountability VPN 127

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.” ” reads the security bulletin. firmware or later.

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Firmware VPN Accountability Advertising 126

Krebs on Security

JULY 25, 2023

.” Lumen’s research team said the purpose of AVrecon appears to be stealing bandwidth – without impacting end-users – in order to create a residential proxy service to help launder malicious activity and avoid attracting the same level of attention from Tor-hidden services or commercially available VPN services. com, sscompany[.]net,

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Malware VPN Internet Internet 208

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 137

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

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. through ZLD V5.21 Patch 1 ZLD V5.30 through ZLD V5.21

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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. through ZLD V5.21 Patch 1 ZLD V5.30 through ZLD V5.21

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Firewall VPN Firmware Internet 98

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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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. The post Zyxel addressed a critical RCE flaw in its NAS devices appeared first on Security Affairs. 9)C0 NAS542 V5.21(ABAG.8)C0

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Firewall Firmware Authentication VPN 104

Security Affairs

SEPTEMBER 22, 2021

Security experts from consulting firm GRIMM have discovered a vulnerability in Small Offices/Home Offices (SOHO) Netgear routers that could be exploited by a remote attacker to execute arbitrary code as root. The flaw, tracked as CVE-2021-40847, resides in the source of a third-party component included in the firmware of many Netgear devices.

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DNS Firmware VPN Risk 142

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: security updates for Citrix SD-WAN WANOP release 10.2.6 Citrix blog post: firmware updates for Citrix ADC and Citrix Gateway versions 12.1

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Government VPN Firmware Energy and Utilities 106

Security Affairs

DECEMBER 27, 2021

The researchers performed reverse engineering of the firmware image for the COMpact 5500, version 7.8A The researchers used Ghidra for their analysis, it is the open-source reverse engineering tool developed by the US National Security Agency (NSA). . “Firmware Update 8.2B Pierluigi Paganini.

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Security Affairs

NOVEMBER 29, 2020

Experts was that vendors may have bought vulnerable versions of this stack before the 2012 update and are still using it in their firmware. “However, many vendors may have bought vulnerable versions of this stack prior to the 2012 update, starting in the early 2000s when it was first issued, and integrated it into their own firmware.

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Hacking Firmware Internet Internet 142

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

SEPTEMBER 3, 2021

Implement a recovery plan to maintain and retain multiple copies of sensitive or proprietary data and servers in a physically separate, segmented, secure location (i.e., Install updates/patch operating systems, software, and firmware as soon as they are released. Only use secure networks and avoid using public Wi-Fi networks.

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Ransomware Passwords Backups Firmware 121

Security Affairs

MAY 1, 2021

“To further secure your device, do not expose your NAS to the internet. If you must connect your NAS to the internet, we highly recommend using a trusted VPN or a myQNAPcloud link.” The flaws fixed by the vendor are rated as medium and high severity security. .” continues the advisory.

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Ransomware Cryptocurrency Malware Internet 144

Security Affairs

DECEMBER 22, 2022

Ensure secure configurations for devices: Change the default password to a strong one, and block SSH from external access. Maintain device health with updates: Make sure devices are up to date with the latest firmware and patches.

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IoT DDOS Malware Firmware 128

eSecurity Planet

MAY 20, 2024

It’s also possible that your VPN app will automatically disable the VPN once your device connects to a supposedly trusted Wi-Fi network, according to the researchers at Top10VPN. Use always-active VPN connections and never reuse the same credentials for an SSID.

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VPN Firmware Malware Software 62

Krebs on Security

MAY 22, 2023

Very often, this proxy software is installed surreptitiously, such as through a “Free VPN” service or mobile app. Residential proxies also can refer to households protected by compromised home routers running factory-default credentials or outdated firmware. I waited until it expired and forgot to buy it.

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Scams DDOS Cryptocurrency Accountability 267

Malwarebytes

MARCH 17, 2021

To prevent attacks: Install security updates for operating systems, software, and firmware as soon as they are released. Only use secure networks and avoid using public Wi-Fi networks. Consider installing and using a VPN. Use multi-factor authentication wherever possible. Disable hyperlinks in received emails.

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Education Ransomware Phishing Passwords 109

Security Affairs

SEPTEMBER 6, 2022

This is to enhance the security of your QNAP NAS. We recommend users to make use of the myQNAPcloud Link feature provided by QNAP, or enable the VPN service. At the end of January, QNAP forced the firmware update for its Network Attached Storage (NAS) devices to protect its customers against the DeadBolt ransomware.

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Ransomware Internet Internet Encryption 106

Security Affairs

MARCH 23, 2021

The vendor released security updates for all these devices and urges customers to update their installs, it also released mitigations to address the flaws. “GE strongly recommends users with impacted firmware versions update their UR devices to UR firmware Version 8.10, or greater to resolve these vulnerabilities.

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Firmware VPN Firewall Risk 102

Security Affairs

JULY 8, 2022

……… “ The vendor recommends not exposing the SMB service to the internet and using VPN to access the NAS and reduce the attack surface. Go to Control Panel > System > Firmware Update. Bitcoin wallet is unique for you, so we can find out what you paid. Next to Lowest SMB version , select SMB 2 or higher.

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Ransomware Encryption Passwords Internet 110