PatchTheCVEo4 firmware vulnerabilities and fixes
Recent CVEs affecting o4 firmware, with upgrade or downgrade steps. 1 tracked.
Also searched as: o4firmware.
o4 firmware has 1 tracked vulnerability, 1 critical. A fixed release or vendor patch exists for 0. Most recent: 2025-02-20. Highest priority: CVE-2025-25662 (score 49/100).
- CVE-2025-25662 CRITICAL 9.8 MITIGATE Tenda O4 V3.0 V1.0.0.10(2936) is vulnerable to Buffer Overflow in the function SafeSetMacFilter of the file /g
FAQ
How do I fix o4 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 o4 firmware being exploited right now?
None of the tracked o4 firmware CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which o4 firmware CVE should I patch first?
CVE-2025-25662 currently ranks highest (49/100): Tenda O4 V3.0 V1.0.0.10(2936) is vulnerable to Buffer Overflow in the function SafeSetMacFilter of the file /g.