Unrated severityNVD Advisory· Published Jan 6, 2026· Updated Feb 23, 2026
Tenda AC23 PowerSaveSet sscanf buffer overflow
CVE-2026-0640
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.
Affected products
2- Tenda/AC23v5cpe:2.3:o:tenda:ac23_firmware:*:*:*:*:*:*:*:*Range: 16.03.07.52
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
6- github.com/xyh4ck/iot_poc/blob/main/Tenda%20AC23_Buffer_Overflow/Tenda%20AC23_Buffer_Overflow.mdmitrebroken-linkexploit
- github.com/xyh4ck/iot_poc/blob/main/Tenda%20AC23_Buffer_Overflow/Tenda%20AC23_Buffer_Overflow.mdmitrebroken-linkexploit
- vuldb.commitrethird-party-advisory
- vuldb.commitresignaturepermissions-required
- vuldb.commitrevdb-entrytechnical-description
- www.tenda.com.cnmitreproduct
News mentions
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