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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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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. The threat actors exploited vulnerabilities in networking devices used by businesses to gain a foothold by installing custom malware. ” concludes the report.

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SonicWall addressed an improper access control issue in its firewalls

Security Affairs

SonicWall addressed a critical flaw in its firewalls that could allow attackers to achieve unauthorized access to the devices. SonicWall has released security updates to address a critical vulnerability, tracked as CVE-2024-40766 (CVSS score: 9.3), in its firewalls. However SonicWall recommends youinstall the latest firmware. .

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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. Firmware is on everything from hard drives, motherboards and routers to office printers and smart medical devices. The Chinese are all over this.

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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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Expert found a secret backdoor in Zyxel firewall and VPN

Security Affairs

Zyxel addressed a critical flaw in its firmware, tracked as CVE-2020-29583 , related to the presence of a hardcoded undocumented secret account. The Taiwanese vendor Zyxel has addressed a critical vulnerability in its firmware related to the presence of a hardcoded undocumented secret account. “Firmware version 4.60

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Mirai botnet targets SSR devices, Juniper Networks warns

Security Affairs

These systems have been infected with the Mirai malware and were subsequently used as a DDOS attack source to other devices accessible by their network.” Use Firewalls and IDS/IPS : Employ firewalls to block unauthorized access and intrusion detection systems to monitor network behavior. ” concludes the report.

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