CVE-2026-0640

HIGH

Tenda Ac23 Firmware - Memory Corruption

Title source: rule
STIX 2.1

Description

A weakness has been identified in Tenda AC23 16.03.07.52. This affects the function sscanf of the file /goform/PowerSaveSet. Executing a manipulation of the argument Time can lead to buffer overflow. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks.

Scores

CVSS v3 8.8
EPSS 0.0013
EPSS Percentile 32.5%
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-120 CWE-119
Status published
Products (1)
tenda/ac23_firmware 16.03.07.52
Published Jan 06, 2026
Tracked Since Feb 18, 2026