Serial number: AV26-603 Date: June 16, 2026 Updated: September 21, 2026 On June 16, 2026, Zyxel published a security advisory to address vulnerabilities in the following products: GS1900 series switches – multiple versions and models Update 1 On September 21, 2026, Cybersecurity and Infrastructure Security Agency (CISA) added CVE-2026-7273 to their Known Exploited Vulnerabilities (KEV) Database.
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U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Zyxel flaw to its Known Exploited Vulnerabilities catalog. The U.S.
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Monday added a now-patched security flaw impacting Zyxel GS1900 series switches to its Known…
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