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Taiwanese hardware maker Zyxel says it has no plans to release a patch for two actively exploited vulnerabilities affecting potentially thousands of customers. Threat intelligence startup GreyNoise warned late last month that a critical-rated zero-day vulnerability impacting Zyxel routers was Read More …
Zyxel has released a security advisory addressing recent targeting of its firewall products. Attackers have been observed exploiting vulnerabilities patched in September (see Cyber Alert CC-4541) and a previously undisclosed high severity vulnerability. CVE-2024-11667 is a path traversal vulnerability and Read More …
Zyxel has released 3 security advisories to address vulnerabilities in Zyxel firewalls, Access Points (APs), extenders, and security router devices. In the first security advisory, Zyxel describes seven vulnerabilities found in their ATP and USG FLEX firewall product lines. Two Read More …
On January 25, 2024, SSD Secure Disclosure posted a disclosure titled Zyxel VPN Series Pre-auth Remote Command Execution. The writeup describes an unauthenticated remote command injection vulnerability affecting Zyxel VPN firewalls. That caught VulnCheck researchers attention. The Zyxel VPN series Read More …
In June 2023, FortiGuard Labs detected the propagation of several DDoS botnets exploiting the Zyxel vulnerability (CVE-2023-28771). This vulnerability is characterized by a command injection flaw affecting multiple firewall models that could potentially allow an unauthorized attacker to execute arbitrary Read More …
Security researchers at two companies have issued warnings over ‘widespread’ exploitation of Zyxel network devices. Researchers at Rapid7 raised the alarm over the ongoing exploitation of a critical authenticated command injection vulnerability, tracked as CVE-2023-28771, that was found to affect Read More …
Zyxel is urging customers to immediately patch a critical vulnerability in the vendor’s firewall software. In a security advisory published this week, the Taiwanese networking giant said the security flaw can lead to the circumvention of firewall protection in Zyxel Read More …
More than 100,000 Zyxel firewalls, VPN gateways, and access point controllers contain a hardcoded admin-level backdoor account that can grant attackers root access to devices via either the SSH interface or the web administration panel. The backdoor account, discovered by Read More …
A new variant of the Hoaxcalls botnet, which can be marshalled for large-scale distributed denial-of-service (DDoS) campaigns, is spreading via an unpatched vulnerability impacting the ZyXEL Cloud CNM SecuManager that was disclosed last month. That’s according to researchers at Radware, Read More …
As soon as the proof-of-concept (PoC) for CVE-2020-9054 was made publicly available last month, this vulnerability was promptly abused to infect vulnerable versions of Zyxel network-attached storage (NAS) devices with a new Mirai variant – Mukashi. Mukashi brute forces the logins using Read More …