Security Affairs

JUNE 1, 2023

Threat actors are actively exploiting a command injection flaw, tracked as CVE-2023-28771, in Zyxel firewalls to install malware. Threat actors are actively attempting to exploit a command injection vulnerability, tracked as CVE-2023-28771 , that impacts Zyxel firewalls. in its firewall devices. USG FLEX ZLD V4.60 VPN ZLD V4.60

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Security Affairs

DECEMBER 3, 2024

Cybersecurity and Infrastructure Security Agency (CISA) adds ProjectSend, North Grid Proself, and Zyxel firewalls bugs to its Known Exploited Vulnerabilities catalog. The vulnerability CVE-2024-11667 is a directory traversal flaw in Zyxel firmware (V5.00–V5.38)

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Security Affairs

MAY 13, 2022

Zyxel addressed a critical flaw affecting Zyxel firewall devices that allows unauthenticated, remote attackers to gain arbitrary code execution. Zyxel has moved to address a critical security vulnerability (CVE-2022-30525, CVSS score: 9.8) If possible, enable automatic firmware updates. Commands are executed as the nobody user.”

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Security Affairs

JANUARY 14, 2024

The attackers exploited zero-day vulnerabilities in Zyxel firewalls used by many critical infrastructure operators in Denmark. On April 25, 2023, Zyxel disclosed a critical vulnerability (CVSS score 9.8), tracked as CVE-2023-28771 , in a number of their firewalls. through 4.73, VPN series firmware versions 4.60 through 5.35.

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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

MAY 17, 2022

US Critical Infrastructure Security Agency (CISA) adds critical CVE-2022-30525 RCE flaw in Zyxel Firewalls to its Known Exploited Vulnerabilities Catalog. affecting Zyxel firewall devices that enables unauthenticated and remote attackers to gain arbitrary code execution as the “nobody” user. reads the report published by Rapid7.

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Security Affairs

NOVEMBER 14, 2023

The attackers exploited zero-day vulnerabilities in Zyxel firewalls used by many critical infrastructure operators in Denmark. On April 25, 2023, Zyxel disclosed a critical vulnerability (CVSS score 9.8), tracked as CVE-2023-28771 , in a number of their firewalls. through 4.73, VPN series firmware versions 4.60 through 5.35.

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Security Affairs

JUNE 13, 2023

“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. BleepingComputer reported that searching for Fortigate firewalls exposed online there are more than 250K installs worldwide , most of them in the US. through 6.2.13

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Security Affairs

SEPTEMBER 6, 2024

. “An improper access control vulnerability has been identified in the SonicWall SonicOS management access and SSLVPN, potentially leading to unauthorized resource access and in specific conditions, causing the firewall to crash.” However SonicWall recommends youinstall the latest firmware. 5035 and older versions.

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Security Affairs

NOVEMBER 2, 2024

Sophos used custom implants to monitor China-linked thret actors targeting firewall zero-days in a years-long battle. Improved operational security, including disrupting firewall telemetry to hinder detection and minimize their digital footprint. ” concludes the report.

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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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Security Affairs

SEPTEMBER 9, 2019

A DoS attack that caused disruptions at a power utility in the United States exploited a flaw in a firewall used in the facility. The incident took place earlier this year, threat actors exploited a known vulnerability in a firewall used by the affected facility to cause disruption. and 7 p.m., power grid ( Energywire , April 30). .

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Security Affairs

OCTOBER 5, 2020

Unlike other IoT DDoS botnets, Ttint implements 12 remote access functions such as Socket5 proxy for router devices, tampering with router firewall and DNS settings, executing remote custom system commands. According to the experts, Tenda routers running a firmware version between AC9 to AC18 are vulnerable to the attack.

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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. Zyxel addressed a critical vulnerability, tracked as CVE-2022-34747 , impacting its network-attached storage (NAS) devices.

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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. in its firewall devices. Patch 1 ZLD V5.36

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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

AUGUST 2, 2024

” The vulnerability impacts Avtech AVM1203 IP cameras running firmware versions FullImg-1023-1007-1011-1009 and prior. Placing control system networks and remote devices behind firewalls and isolating them from business networks. .” reads the advisory published by CISA.

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Security Affairs

DECEMBER 19, 2024

To mitigate the exposure to these threats, users are recommended to change default credentials, use strong passwords, review access logs, employ firewalls and IDS/IPS, and keep firmware up-to-date. Below are actions recommended by Juniper Networks: Strengthen Security Practices : Change default credentials on all SSRs.

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Security Affairs

FEBRUARY 23, 2022

According to WatchGuard , Cyclops Blink may have affected roughly 1% of all active WatchGuard firewall appliances. ” reads the advisory published by the UK National Cyber Security Centre. The malware leverages the firmware update process to achieve persistence.

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Security Affairs

JUNE 18, 2020

A whopping 79 Netgear router models are vulnerable to a severe security flaw that can let hackers take over devices remotely. Nichols discovered that the vulnerability affects 758 different firmware versions that run on 79 Netgear routers. Oldest firmware versions have been released as far back as 2007.

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Security Affairs

JUNE 23, 2021

“A buffer overflow vulnerability in SonicOS allows a remote attacker to cause Denial of Service (DoS) and potentially execute arbitrary code by sending a malicious request to the firewall. Security experts from Tenable published a post detailing the flaw, they also shared Shodan dorks for searching SonicWall VPNs. 6.5.1.12, 6.0.5.3,

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Security Affairs

JANUARY 8, 2022

SonicWall confirmed that some of its Email Security and firewall products have been impacted by the Y2K22 bug. Security vendor SonicWall confirmed that some of its Email Security and firewall products have been impacted by the Y2K22 bug. x firmware in MySonicWall downloads section for TZ, NSA and SOHO platforms.

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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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Security Affairs

JULY 10, 2020

Juniper Networks addressed several vulnerabilities in its firewalls, most of them can be exploited by attackers for denial-of-service (DoS) attacks. The company published a list of security advisories to inform its customers of the vulnerabilities in its products.

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Security Affairs

JANUARY 21, 2021

“In the meantime, please update the NAS firmware and Malware Remover in the App Center to the latest version if not done already to ensure the latest security patches are applied on the NAS.” Install Security Counselor and run with Intermediate Security Policy (or above). Install a firewall.

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Security Affairs

DECEMBER 17, 2023

Hunters International ransomware gang claims to have hacked the Fred Hutch Cancer Center New NKAbuse malware abuses NKN decentralized P2P network protocol Snatch ransomware gang claims the hack of the food giant Kraft Heinz Multiple flaws in pfSense firewall can lead to arbitrary code execution BianLian, White Rabbit, and Mario Ransomware Gangs Spotted (..)

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Security Affairs

JULY 22, 2023

Fortinet FortiGuard Labs researchers warned of multiple DDoS botnets exploiting a vulnerability impacting multiple Zyxel firewalls. 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. through 5.35.

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Daniel Miessler

MAY 14, 2020

Keep your firmware and software updated. In addition to turning on the native anti-malware and firewall features in your operating system, also consider installing MalwareBytes as an extra layer of protection. Keep all of your software and hardware religiously updated. They are, and you should be taking advantage of that functionality.

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Security Affairs

SEPTEMBER 29, 2021

The agencies recommend VPN solutions that implements protections against intrusions, such as the use of signed binaries or firmware images, a secure boot process that verifies boot code before it runs, and integrity validation of runtime processes and files.

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Security Affairs

FEBRUARY 28, 2024

The operation reversibly modified the routers’ firewall rules to block remote management access to the devices. Upgrade to the latest firmware version. Implement strategic firewall rules on WAN-side interfaces to prevent the unwanted exposure of remote management services. Change any default usernames and passwords.

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Energy and Utilities Government Firewall Malware 139

Security Affairs

SEPTEMBER 20, 2020

Recently Check Point researchers warned of a surge in the DDoS attacks against education institutions and the academic industry across the world. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. Copyright (C) 2014 Media.net Advertising FZ-LLC All Rights Reserved -->.

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Security Affairs

MARCH 17, 2023

The devices halted displaying the following error message: “System enters error-mode due to FIPS error: Firmware Integrity self-test failed” The failure of the integrity test blocks the reboot of the device to protect the integrity of the network. ” reads the report published by Mandiant.

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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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eSecurity Planet

OCTOBER 20, 2022

Drivers, Firmware, Software : Cloud providers bear responsibility to secure, test, and update the software and code that supports the firmware and the basic software infrastructure of the cloud. Network, firewall, and web application firewall (WAF) hardening. Network, API, firewall, and WAF hardening.

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Security Affairs

JANUARY 25, 2022

The vulnerability is an unauthenticated stack-based buffer overflow that was reported by Jacob Baines , lead security researcher at Rapid7. The CVE-2021-20038 vulnerability impacts SMA 100 series appliances (including SMA 200, 210, 400, 410, and 500v) even when the web application firewall (WAF) is enabled. 37sv, 10.2.1.1-19sv,

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Security Affairs

JUNE 26, 2019

Cashdollar explained that the Silex malware trashes the storage of the infected devices, drops firewall rules and wipe network configurations before halting the system. The only way to recover infected devices is to manually reinstall the device’s firmware. pic.twitter.com/Ue661ku0fy — Larry W. ” reported ZDnet.

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eSecurity Planet

SEPTEMBER 9, 2024

Security Solutions ICS systems are vulnerable to cyberattacks, so security solutions, including firewalls, intrusion detection systems, and encryption protocols, are vital to protect these critical infrastructures from unauthorized access and malicious activities.

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