CVE-2025-15356

HIGH

Tenda Ac20 Firmware < 16.03.08.12 - Memory Corruption

Title source: rule
STIX 2.1

Description

A vulnerability has been found in Tenda AC20 up to 16.03.08.12. The impacted element is the function sscanf of the file /goform/PowerSaveSet. The manipulation of the argument powerSavingEn/time/powerSaveDelay/ledCloseType leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Scores

CVSS v3 8.8
EPSS 0.0017
EPSS Percentile 38.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-119 CWE-120
Status published
Products (1)
tenda/ac20_firmware < 16.03.08.12
Published Dec 30, 2025
Tracked Since Feb 18, 2026