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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Tenda/AC23cpe-rescue2 versions
cpe:2.3:o:tenda:ac23_firmware:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:tenda:ac23_firmware:*:*:*:*:*:*:*:*range: 16.03.07.52
- (no CPE)range: = 16.03.07.52

Patches

Vulnerability mechanics

References

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

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