CVE-2025-8940

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

A vulnerability was identified in Tenda AC20 up to 16.03.08.12. Affected by this vulnerability is the function strcpy of the file /goform/saveParentControlInfo. The manipulation of the argument Time leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-119 CWE-120

Affected software

Vendor	Product	Versions
Tenda	AC20	16.03.08.0; 16.03.08.1; 16.03.08.2; 16.03.08.3; 16.03.08.4; 16.03.08.5; 16.03.08.6; 16.03.08.7; 16.03.08.8; 16.03.08.9; 16.03.08.10; 16.03.08.11; 16.03.08.12

References

https://github.com/lin-3-start/lin-cve/blob/main/Tenda%20AC20-2/Tenda%20AC20-2.mdExploit, Third Party Advisory
https://github.com/lin-3-start/lin-cve/blob/main/Tenda%20AC20-2/Tenda%20AC20-2.md#pocExploit, Third Party Advisory
https://vuldb.com/?ctiid.319903Permissions Required, VDB Entry
https://vuldb.com/?id.319903Third Party Advisory, VDB Entry
https://vuldb.com/?submit.631836Third Party Advisory, VDB Entry
https://www.tenda.com.cn/Product
https://github.com/lin-3-start/lin-cve/blob/main/Tenda%20AC20-2/Tenda%20AC20-2.mdExploit, Third Party Advisory

Timeline

Published: Aug 14, 2025
Last modified: Jun 17, 2026
NVD status: Analyzed

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