CVE-2025-55613: Tenda o3 Firmware

Critical severity, CVSS 9.8. EPSS: 0.6% chance of exploitation in the next 30 days.

Tenda O3V2 1.0.0.12(3880) is vulnerable to Buffer Overflow in the fromSafeSetMacFilter function via the mac parameter.

Affected products

• Tenda o3 Firmware: version 1.0.0.12(3880) only

Published 2025-08-22. Last modified 2026-06-17.