PatchTheCVEex5401-b1 firmware vulnerabilities and fixes
Recent CVEs affecting ex5401-b1 firmware, with upgrade or downgrade steps. 1 tracked.
Also searched as: ex5401 b1 firmware, ex5401-b1firmware.
ex5401-b1 firmware has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 0. Most recent: 2026-02-24. Highest priority: CVE-2025-11847 (score 37/100).
- CVE-2025-11847 MEDIUM 4.9 MITIGATE MITIGATE A null pointer dereference vulnerability in the IP settings CGI program of the Zyxel VMG3625-T50B firmware ver
FAQ
How do I fix ex5401-b1 firmware 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 ex5401-b1 firmware being exploited right now?
None of the tracked ex5401-b1 firmware CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which ex5401-b1 firmware CVE should I patch first?
CVE-2025-11847 currently ranks highest (37/100): A null pointer dereference vulnerability in the IP settings CGI program of the Zyxel VMG3625-T50B firmware ver.