GS1900

​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). The flaw (tracked as CVE-2026-7273) stems from a stack-based buffer overflow in the CGI program that lets threat actors without privileges on the local area network (LAN) execute OS commands via maliciously […]