CISA Flags Actively Exploited Flaw in Zyxel GS1900 Switches
CISA added actively exploited stack buffer overflow CVE-2026-7273 in Zyxel GS1900-48HPv2 switches to its KEV catalog with a September 24 remediation deadline.
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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.