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CVE-2025-14655

Tenda AC20 httpd SetSysAutoRebbotCfg formSetRebootTimer stack-based overflow

CVSS 8.7 HIGHEPSS 2.9%CWE-119CWE-121
Vexday Risk Score
21Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 8.7EPSS 2.9%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
14 Dec 2025Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
A security flaw has been discovered in Tenda AC20 16.03.08.12. The impacted element is the function formSetRebootTimer of the file /goform/SetSysAutoRebbotCfg of the component httpd. Performing a manipulation of the argument rebootTime results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Affected products
Tenda · AC20

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References
https://github.com/Madgeaaaaa/MY_VULN_2/blob/main/Tenda/VULN13/AC20_SetSysAutoRebbotCfg.mdhttps://vuldb.com/?ctiid.336388https://vuldb.com/?id.336388https://vuldb.com/?submit.712910https://www.tenda.com.cn/