CVE-2025-8940 - CVE House
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Status published High CVE-2025-8940

Tenda AC20 saveParentControlInfo strcpy buffer overflow

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • QMSSDXN (VulDB User)

Affected Vendor

Affected Software

AC20
Vulnerable Versions:
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

Timeline

Official Publish: August 14th, 2025
Last Modified: August 15th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

Weaknesses (CWE)