Possible CVE-2026-7273 Zyxel GS1900 CGI overflow exploitation attempt

Ankit Mehta@Secvyn

•updated 7 days ago•0•0•0

Detects attempts to exploit a buffer overflow vulnerability (CVE-2026-7273) in Zyxel GS1900 series switches. The rule monitors for oversized POST requests directed at CGI scripts on the device's web management interface.