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.
History

Wed, 07 Jan 2026 10:45:00 +0000

Type Values Removed Values Added
First Time appeared Tenda
Tenda ac23
Vendors & Products Tenda
Tenda ac23

Tue, 06 Jan 2026 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 06 Jan 2026 15:45:00 +0000

Type Values Removed Values Added
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.
Title Tenda AC23 PowerSaveSet sscanf buffer overflow
Weaknesses CWE-119
CWE-120
References
Metrics cvssV2_0

{'score': 9, 'vector': 'AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 8.8, 'vector': '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'}

cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published: 2026-01-06T15:32:08.760Z

Updated: 2026-01-06T18:10:01.723Z

Reserved: 2026-01-06T09:07:14.569Z

Link: CVE-2026-0640

cve-icon Vulnrichment

Updated: 2026-01-06T18:09:12.336Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-01-06T16:15:57.293

Modified: 2026-01-08T18:09:23.230

Link: CVE-2026-0640

cve-icon Redhat

No data.