CVE-2025-5798: Tenda AC8 SetSysTimeCfg fromSetSysTime stack-based overflow

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-06-06 · updated 2026-06-17
Weakness: CWE-119

Description

A vulnerability was found in Tenda AC8 16.03.34.09. It has been classified as critical. Affected is the function fromSetSysTime of the file /goform/SetSysTimeCfg. The manipulation of the argument timeType leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Affected products

Tenda AC8: 16.03.34.09

References

https://lavender-bicycle-a5a.notion.site/Tenda-AC8-fromSetSysTime-20a53a41781f807b9489fff42f262e11?source=copy_link
https://vuldb.com/?ctiid.311352
https://vuldb.com/?id.311352
https://vuldb.com/?submit.591266
https://www.tenda.com.cn/
https://lavender-bicycle-a5a.notion.site/Tenda-AC8-fromSetSysTime-20a53a41781f807b9489fff42f262e11

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