PatchTheCVEo3 firmware vulnerabilities and fixes
Recent CVEs affecting o3 firmware, with upgrade or downgrade steps. 14 tracked.
Also searched as: o3firmware.
o3 firmware has 14 tracked vulnerabilities, 1 critical. A fixed release or vendor patch exists for 0. Most recent: 2025-08-22. Highest priority: CVE-2025-55613 (score 56/100).
- CVE-2025-7423 HIGH 8.8 MITIGATE A vulnerability classified as critical was found in Tenda O3V2 1.0.0.12(3880)
- CVE-2025-7422 HIGH 8.8 MITIGATE A vulnerability classified as critical has been found in Tenda O3V2 1.0.0.12(3880)
- CVE-2025-7421 HIGH 8.8 MITIGATE A vulnerability was found in Tenda O3V2 1.0.0.12(3880)
- CVE-2025-7420 HIGH 8.8 MITIGATE A vulnerability was found in Tenda O3V2 1.0.0.12(3880)
- CVE-2025-7419 HIGH 8.8 MITIGATE A vulnerability was found in Tenda O3V2 1.0.0.12(3880)
- CVE-2025-7418 HIGH 8.8 MITIGATE A vulnerability was found in Tenda O3V2 1.0.0.12(3880) and classified as critical
- CVE-2025-7417 HIGH 8.8 MITIGATE A vulnerability has been found in Tenda O3V2 1.0.0.12(3880) and classified as critical
- CVE-2025-7416 HIGH 8.8 MITIGATE A vulnerability, which was classified as critical, was found in Tenda O3V2 1.0.0.12(3880)
- CVE-2025-7415 MEDIUM 6.3 MITIGATE A vulnerability, which was classified as critical, has been found in Tenda O3V2 1.0.0.12(3880)
- CVE-2025-7414 MEDIUM 6.3 MITIGATE A vulnerability classified as critical was found in Tenda O3V2 1.0.0.12(3880)
- CVE-2025-55613 CRITICAL 9.8 MITIGATE Tenda O3V2 1.0.0.12(3880) is vulnerable to Buffer Overflow in the fromSafeSetMacFilter function via the mac pa
- CVE-2024-7152 HIGH 8.8 MITIGATE A vulnerability was found in Tenda O3 1.0.0.10(2478)
- CVE-2024-7151 HIGH 8.8 MITIGATE A vulnerability was found in Tenda O3 1.0.0.10(2478)
- CVE-2024-51409 MEDIUM 6.5 MITIGATE Buffer Overflow vulnerability in Tenda O3 v.1.0.0.5 allows a remote attacker to cause a denial of service via
FAQ
How do I fix o3 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 o3 firmware being exploited right now?
None of the tracked o3 firmware CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which o3 firmware CVE should I patch first?
CVE-2025-55613 currently ranks highest (56/100): Tenda O3V2 1.0.0.12(3880) is vulnerable to Buffer Overflow in the fromSafeSetMacFilter function via the mac pa.