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Zyxel firewalls targeted in recent ransomware attacks

Security Affairs

Zyxel warns that a ransomware group has been observed exploiting a recently patched command injection issue in its firewalls. Zyxel warns that a ransomware gang has been observed exploiting a recently patched command injection vulnerability, tracked as CVE-2024-42057, in its firewalls for initial compromise.

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Chinese national charged for hacking thousands of Sophos firewalls

Security Affairs

has charged a Chinese national for hacking thousands of Sophos firewall devices worldwide in 2020. has charged the Chinese national Guan Tianfeng (aka gbigmao and gxiaomao) for hacking thousands of Sophos firewall devices worldwide in 2020. Sophos) an information technology company that develops and markets cybersecurity products.”

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Sophos details five years of China-linked threat actors’ activity targeting network devices worldwide

Security Affairs

Sophos used custom implants to monitor China-linked thret actors targeting firewall zero-days in a years-long battle. Sophos, with the help of other cybersecurity firms, government, and law enforcement agencies investigated the cyber attacks and attributed them multiple China-linked APT groups, such as Volt Typhoon , APT31 and APT41 / Winnti.

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SHARED INTEL: How ‘memory attacks’ and ‘firmware spoilage’ circumvent perimeter defenses

The Last Watchdog

Related: Ransomware remains a scourge The former has been accused of placing hidden backdoors in the firmware of equipment distributed to smaller telecom companies all across the U.S. These happen to represent two prime examples of cyber attack vectors that continue to get largely overlooked by traditional cybersecurity defenses.

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Unsigned Firmware running on peripherals could expose Windows, Linux systems to hack

Security Affairs

Peripheral devices with unsigned firmware can expose Windows and Linux machines to hack, warn experts from firmware security firm Eclypsium. An attacker could exploit the lack of checks to execute malicious firmware and perform malicious actions on both Windows and Linux systems, such as the installation of persistent backdoors.

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Zyxel warns customers of attacks on its enterprise firewall and VPN devices

Security Affairs

Networking equipment giant Zyxel warns customers of a series of attacks that have been targeting some of its enterprise firewall and VPN devices. Networking equipment vendor Zyxel warned its customers of a series of attacks that have been targeting some of its enterprise firewall and VPN server solutions. Pierluigi Paganini.

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U.S. CISA adds SonicWall SonicOS and Palo Alto PAN-OS flaws to its Known Exploited Vulnerabilities catalog

Security Affairs

Cybersecurity and Infrastructure Security Agency (CISA) adds SonicWall SonicOS and Palo Alto PAN-OS vulnerabilities to its Known Exploited Vulnerabilities catalog. Cybersecurity and Infrastructure Security Agency (CISA) added Apple iOS and iPadOS and Mitel SIP Phones vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog.