QUANTUM THREAT INTELLIGENCE

AV26-1114 Update 1: Zyxel Switch, Access Point and Security Router Flaw CVE-2026-107441 Exploited in the Wild

The Cyber Centre's AV26-1114, issued November 3 and updated November 4, 2026, covers an out of bounds write in Zyxel GS1900 series switches and a buffer overflow in multiple Zyxel access points, FWA7 units and security routers. Open source reporting indicates CVE-2026-107441 is exploited in the wild. Zyxel gear is common in branch offices, small utilities and community networks, exactly the long lived equipment that rarely appears on an asset inventory.

SOURCE

Canadian Centre for Cyber Security

DATE

November 4, 2026

Why this matters for your infrastructure

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