Recent ZyXEL Switch Vulnerability Exploited by Chinese Hackers
Chinese hackers exploited ZyXEL CVE-2026-7273 on GS1900 switches in 48 countries; CISA added it to KEV.
3
Stories per day · 30 days
4 RSS
8 stories, newest first · one card per story
Stories tagged #cve-2026-7273
Attacker compromised nearly 1000 Zyxel switches since August (CVE-2026-7273)
Chinese-speaking threat actor exploited a vulnerability in unpatched ZyXEL switches (CVE-2026-7273) affecting 996 devices across multiple countries; the exploit was contained in June 2026 and is now part of a broader…
10
U.S. CISA adds Zyxel flaw to its Known Exploited Vulnerabilities catalog
CISA added exploited Zyxel GS1900 switch flaw CVE-2026-7273 to the KEV catalog, with a September 24 fix deadline.
2
CISA orders feds to patch Zyxel flaw exploited for data theft
CISA added actively exploited Zyxel GS1900 flaw CVE-2026-7273 to KEV, ordering federal agencies to patch by Thursday after ~1,000 switches were compromised.
CISA Warns of Zyxel GS1900 Switches Flaw Actively Exploited in Attacks
CISA added exploited Zyxel GS1900 buffer overflow CVE-2026-7273 to KEV, warning of unauthenticated command execution.
Zyxel security advisory (AV26-603) – Update 1
Canada's Cyber Centre says Zyxel GS1900 buffer overflow CVE-2026-7273 is now in CISA's KEV catalog.
CISA Adds One Known Exploited Vulnerability to Catalog
CISA added actively exploited Zyxel GS1900 stack buffer overflow CVE-2026-7273 to the Known Exploited Vulnerabilities catalog.
Open Season on Kapibala: Attacker Steals Over 18,000 Government Records Through WordPress Exploitation
GreyNoise tracks 'Red Heron' actor exploiting multiple vulnerabilities including novel ZyXEL CVE-2026-7273 and stealing 18,000+ government records.