zyxel vulnerabilities
Recent CVEs affecting zyxel products. 1 tracked.
zyxel has 1 tracked vulnerability, 0 critical and 1 exploited in the wild (CISA KEV). A fixed release or vendor patch exists for 1. Most recent: 2026-06-16. Highest priority: CVE-2026-7273 (score 82/100).
- CVE-2026-7273 HIGH 8.8 EXPLOITED MITIGATE MITIGATE Zyxel GS1900 Series Switches Stack-Based Buffer Overflow Vulnerability
FAQ
How do I fix zyxel vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is zyxel being exploited right now?
Yes: 1 zyxel CVE is on the CISA Known Exploited Vulnerabilities list, so patch it first.
Which zyxel CVE should I patch first?
CVE-2026-7273 currently ranks highest (82/100): Zyxel GS1900 Series Switches Stack-Based Buffer Overflow Vulnerability.