Tag: zyxel
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Chinese hackers exploit WordPress, Zyxel flaws to steal govt data
A Chinese-speaking threat actor has been exploiting vulnerabilities in ZyXEL GS1900 Smart Managed Switches and WordPress to steal sensitive data from 996 devices and more than 18,500 records stored in backend databases. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/chinese-hackers-exploit-multiple-technologies-to-steal-govt-data/
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Attacker compromised nearly 1000 Zyxel switches since August (CVE-2026-7273)
A Chinese-speaking threat actor has exploited a vulnerability (CVE-2026-7273) in unpatched ZyXEL GS1900 Smart Managed Switches and has exfiltrated sensitive data from 996 … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/09/22/zyxel-switches-cve-2026-7273-vulnerability-exploited/
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U.S. CISA adds Zyxel flaw to its Known Exploited Vulnerabilities catalog
U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Zyxel flaw to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a Zyxel GS1900 Series Switches flaw, tracked as CVE-2026-7273 (CVSS score of 8.8), to its Known Exploited Vulnerabilities (KEV) catalog. The flaw is a stack-based buffer overflow that could allow attackers…
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U.S. CISA adds Zyxel flaw to its Known Exploited Vulnerabilities catalog
U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Zyxel flaw to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a Zyxel GS1900 Series Switches flaw, tracked as CVE-2026-7273 (CVSS score of 8.8), to its Known Exploited Vulnerabilities (KEV) catalog. The flaw is a stack-based buffer overflow that could allow attackers…
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U.S. CISA adds Zyxel flaw to its Known Exploited Vulnerabilities catalog
U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Zyxel flaw to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a Zyxel GS1900 Series Switches flaw, tracked as CVE-2026-7273 (CVSS score of 8.8), to its Known Exploited Vulnerabilities (KEV) catalog. The flaw is a stack-based buffer overflow that could allow attackers…
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U.S. CISA adds Zyxel flaw to its Known Exploited Vulnerabilities catalog
U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Zyxel flaw to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a Zyxel GS1900 Series Switches flaw, tracked as CVE-2026-7273 (CVSS score of 8.8), to its Known Exploited Vulnerabilities (KEV) catalog. The flaw is a stack-based buffer overflow that could allow attackers…
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CISA orders feds to patch Zyxel flaw exploited for data theft
Attackers are now actively exploiting a high-severity vulnerability in Zyxel GS1900 series switches, according to the U.S. Cybersecurity and Infrastructure Security Agency (CISA). First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/cisa-orders-feds-to-patch-actively-exploited-zyxel-flaw-by-thursday/
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CISA Flags Actively Exploited Flaw in Zyxel GS1900 Switches
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has included a high-severity vulnerability affecting Zyxel GS1900 Series switches in its Known Exploited Vulnerabilities (KEV) Catalog. This warning highlights that the flaw, tracked as CVE-2026-7273, has been exploited in the wild. The vulnerability stems from a stack-based buffer overflow in the device’s CGI program. CISA added…
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Zyxel and Veeam Flaws Under Active Exploitation With Command and SYSTEM Access
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Monday added a now-patched security flaw impacting Zyxel GS1900 series switches to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation.The vulnerability, tracked as CVE-2026-7273 (CVSS score: 8.8), is a stack-based buffer overflow vulnerability that could result in arbitrary operating First seen on thehackernews.com…
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Zyxel and Veeam Flaws Under Active Exploitation With Command and SYSTEM Access
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Monday added a now-patched security flaw impacting Zyxel GS1900 series switches to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation.The vulnerability, tracked as CVE-2026-7273 (CVSS score: 8.8), is a stack-based buffer overflow vulnerability that could result in arbitrary operating First seen on thehackernews.com…
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Zyxel Vulnerabilities Allow Remote Attackers to Execute Commands via Command Injection
Zyxel has rolled out critical security patches for multiple vulnerabilities affecting its 4G LTE/5G NR CPE, DSL/Ethernet CPE, Fiber ONTs, Security Routers, and Wireless Extenders. The flaws range from null pointer dereferences causing Denial-of-Service (DoS) to severe command injections allowing remote attackers to execute system commands. CVE ID Severity Vulnerability Type Attack Vector Impact CVE-2025-13942…
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Critical Zyxel router flaw exposed devices to remote attacks
Tags: attack, cve, data-breach, flaw, injection, remote-code-execution, router, vulnerability, zyxelZyxel fixed a critical flaw in multiple routers that lets unauthenticated attackers remotely execute commands on vulnerable devices. Zyxel addressed a critical remote code execution vulnerability, tracked as CVE-2025-13942 (CVSS score of 9.8), affecting more than a dozen router models. A command injection flaw in the UPnP feature of several Zyxel CPEs, Fiber ONTs, and…
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Zyxel warns of critical RCE flaw affecting over a dozen routers
Taiwan networking provider Zyxel has released security updates to address a critical vulnerability affecting over a dozen router models that can allow unauthenticated attackers to gain remote command execution on unpatched devices. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/zyxel-warns-of-critical-rce-flaw-affecting-over-a-dozen-routers/
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Partnerschaft – Zyxel bindet Avast-Endpunktschutz in USG-Flex-H-Firewalls ein
First seen on security-insider.de Jump to article: www.security-insider.de/zyxel-bindet-avast-endpunktschutz-in-usg-flex-h-firewalls-ein-a-306b599d7f5ea3e933a222bb60f8744e/
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Partnerschaft – Zyxel bindet Avast-Endpunktschutz in USG-Flex-H-Firewalls ein
First seen on security-insider.de Jump to article: www.security-insider.de/zyxel-bindet-avast-endpunktschutz-in-usg-flex-h-firewalls-ein-a-306b599d7f5ea3e933a222bb60f8744e/
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Partnerschaft – Zyxel bindet Avast-Endpunktschutz in USG-Flex-H-Firewalls ein
First seen on security-insider.de Jump to article: www.security-insider.de/zyxel-bindet-avast-endpunktschutz-in-usg-flex-h-firewalls-ein-a-306b599d7f5ea3e933a222bb60f8744e/
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Partnerschaft ermöglicht VPN-Service ohne zusätzliche Kosten – Zyxel und Tailscale vereinfachen die sichere Remote-Konnektivität
First seen on security-insider.de Jump to article: www.security-insider.de/zyxel-und-tailscale-vereinfachen-die-sichere-remote-konnektivitaet-a-5ce2ec60281cf29159b26db40ee6033b/
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Zyxel Devices Hit by Active Exploits Targeting CVE-2023-28771 Vulnerability
Zyxel users beware: A critical remote code execution flaw (CVE-2023-28771) in Zyxel devices is under active exploitation by a Mirai-like botnet. GreyNoise observed a surge on June 16, targeting devices globally. First seen on hackread.com Jump to article: hackread.com/zyxel-devices-active-exploits-cve-2023-28771-vulnerability/
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Critical Zyxel vulnerability under active exploitation after long period of quiet
Researchers say a sudden burst of activity could be linked to a Mirai botnet variant. First seen on cybersecuritydive.com Jump to article: www.cybersecuritydive.com/news/vulnerability-zyxel-exploitation/750922/
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Attackers target Zyxel RCE vulnerability CVE-2023-28771
GreyNoise researchers have observed exploit attempts targeting the remote code execution vulnerability CVE-2023-28771 in Zyxel devices. On June 16, GreyNoise researchers detected exploit attempts targeting CVE-2023-28771 (CVSS score 9.8), a remote code execution flaw impacting Zyxel IKE decoders over UDP port 500. >>Exploitation attempts against CVE-2023-28771 were minimal throughout recent weeks.On June 16, GreyNoise observed…
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Zyxel Devices Under Attack as Hackers Exploit UDP Port RCE Flaw
Tags: attack, control, cve, cyber, cyberattack, exploit, firewall, flaw, hacker, Internet, rce, remote-code-execution, vpn, vulnerability, zyxelA sudden and highly coordinated wave of cyberattacks has struck Zyxel firewall and VPN devices worldwide, as hackers exploit a critical remote code execution (RCE) vulnerability tracked as CVE-2023-28771. The attacks, observed on June 16, 2025, leveraged UDP port 500″, the Internet Key Exchange (IKE) packet decoder”, to remotely inject system commands and potentially seize…
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Mirai botnet weaponizes PoC to exploit Wazuh open-source XDR flaw
Two Mirai variants integrate the exploit: The first botnet exploiting CVE-2025-24016 was detected by Akamai in March and used a proof-of-concept (PoC) exploit that was published for the vulnerability in late February. That exploit targets the /security/user/authenticate/run_as API endpoint.The second botnet was detected in early May and targeted the /Wazuh endpoint, but the exploit payload…
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Zyxel RCE Flaw Lets Attackers Run Commands Without Authentication
Tags: authentication, cyber, exploit, firewall, flaw, network, rce, remote-code-execution, vulnerability, zyxelSecurity researcher Alessandro Sgreccia (aka >>rainpwn
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Chinese hackers spent four years inside Asian telco’s networks
The hackers compromised home routers made by Zyxel to gain entry into a “major” telecommunications company’s environment. First seen on therecord.media Jump to article: therecord.media/chinese-hackers-spent-years-telco
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Chinese Weaver Ant hackers spied on telco network for 4 years
A China-linked advanced threat group named Weaver Ant spent more than four years in the network of a telecommunications services provider, hiding traffic and infrastructure with the help of compromised Zyxel CPE routers. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/chinese-weaver-ant-hackers-spied-on-telco-network-for-4-years/
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U.S. CISA adds Microsoft Windows, Zyxel device flaws to its Known Exploited Vulnerabilities catalog
Tags: cisa, cve, cybersecurity, exploit, flaw, infrastructure, injection, kev, microsoft, vulnerability, windows, zyxelU.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Windows, Zyxel device flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added the following vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog: The vulnerability CVE-2024-40891 is a command injection issue in Zyxel CPE Series devices that remains unpatched and has not yet…
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Actively-Exploited Bugs In Zyxel Routers Require Immediate Device Upgrades
First seen on scworld.com Jump to article: www.scworld.com/brief/actively-exploited-zyxel-bugs-require-immediate-device-upgrades
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Actively exploited Zyxel router bugs require immediate model upgrades
First seen on scworld.com Jump to article: www.scworld.com/brief/actively-exploited-zyxel-router-bugs-require-immediate-model-upgrades
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Zyxel won’t patch endlife routers against zero-day attacks
Networking hardware vendor Zyxel has no plans to patch multiple end-of-life routers against new zero-day flaws and advises customers to replace affected devices entirely. First seen on techtarget.com Jump to article: www.techtarget.com/searchsecurity/news/366618782/Zyxel-wont-patch-end-of-life-routers-against-zero-day-attacks
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Swap EOL Zyxel routers, upgrade Netgear ones!
There will be no patches for EOL Zyxel routers under attack via CVE-2024-40891, the company has confirmed. Meanwhile, Netgear has issued patches for critical flaws affecting … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2025/02/05/swap-eol-zyxel-routers-upgrade-netgear-ones-patches-cve-2024-40891/