CVE-2026-5685
HighCVSS 8.8Exploitation Probability (EPSS)
Low risk49th percentile - higher than 49% of all known CVEs
Summary
The Tenda CX12L router version 16.03.53.12 has a stack-based buffer overflow in the fromAddressNat function of /goform/addressNat. Manipulation of the page argument allows remote exploitation.
Risk Assessment
A remote attacker can exploit this vulnerability to take control of the router or cause a crash, threatening local network security.
Recommendation
Update the Tenda CX12L firmware to the latest version if available, or apply temporary mitigations such as restricting access to the management interface.
Other vulnerabilities in Tenda
See all- CVE-2026-19747Critical
A weakness has been identified in Tenda CH7, CH7G, CH10, CP3, CP3 Pro, CP7, TC3B14C, TC3B15C, TC3T14C and TC3T15C up to 20260625. This impacts the function CAte::HandleCmd of the file Kylin of the component ATE Module. This manipulation causes command injection. The attack is possible to be carried out remotely.
- CVE-2026-38063Critical
Tenda 5G03 version 5.03.02.04 (version 1.0) is vulnerable to command injection in the action_radio_on_with_ia_apn function via the ia parameter.
- CVE-2021-44971Critical
Multiple Tenda devices are vulnerable to authentication bypass, allowing an attacker to obtain sensitive information. This vulnerability can be combined with authenticated command injection to achieve remote code execution (RCE).
- CVE-2026-19749Low
A vulnerability was detected in Tenda CH7, CH7G, CH10, CP3, CP3 Pro, CP7, TC3B14C, TC3B15C, TC3T14C and TC3T15C up to 20260625. The RTSP/ONVIF component has missing authentication, allowing remote attacks, though the attack is considered difficult.
- CVE-2026-19748Low
A security vulnerability has been detected in Tenda CH7, CH7G, CH10, CP3, CP3 Pro, CP7, TC3B14C, TC3B15C, TC3T14C and TC3T15C up to 20260625. The function CWebSessionManager_ParseSession in /user/bin/Kylin of the Kylin Web Service component has insufficient entropy in the SESSION argument, allowing remote attacks, though difficult.
Original NVD description (English source)
A vulnerability was identified in Tenda CX12L 16.03.53.12. This affects the function fromAddressNat of the file /goform/addressNat. The manipulation of the argument page leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit is publicly available and might be used.