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CVE-2025-13446

Tenda AC21 SetSysTimeCfg stack-based overflow

CVSS 8.7 HIGHEPSS 3.4%CWE-119CWE-121
Vexday Risk Score
21Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 8.7EPSS 3.4%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
20 Nov 2025Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
A vulnerability has been found in Tenda AC21 16.03.08.16. This vulnerability affects unknown code of the file /goform/SetSysTimeCfg. The manipulation of the argument timeZone/time leads to stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used.
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 · AC21

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References
https://github.com/Madgeaaaaa/MY_VULN_2/blob/main/Tenda/VULN8.mdhttps://github.com/Madgeaaaaa/MY_VULN_2/blob/main/Tenda/VULN9.mdhttps://vuldb.com/?ctiid.333018https://vuldb.com/?id.333018https://vuldb.com/?submit.694425https://vuldb.com/?submit.694430https://www.tenda.com.cn/