High 8.8
CVE-2026-7273
Exploitation of CVE-2026-7273 in Zyxel GS1900 Switches by MCA
Vendor / product: Zyxel GS1900 series switches
Event date: 2026-09-17
Public PoC: Yes
First tracked by RiskWire: 2026-09-17
Named threat actors
MCA
Sources & citations (2)
- KGUARD DVR CVE-2026-87827: an unauthenticated command service that never should have faced the internet dev.to · 2026-09-17
- CISA Adds Zyxel Vulnerability to KEV – Catalog – 9-21-26 chemical-facility-security-news.blogspot.com · 2026-09-23
References
See CVE-2026-7273 in context
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