CVE-2026-0640

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.

• CWE-119
• CWE-120
• CWE-120

• https://github.com/xyh4ck/iot_poc/blob/main/Tenda%20AC23_Buffer_Overflow/Tenda%20AC23_Buffer_Overflow.mdExploit, Third Party Advisory
• https://github.com/xyh4ck/iot_poc/blob/main/Tenda%20AC23_Buffer_Overflow/Tenda%20AC23_Buffer_Overflow.md#pocExploit, Third Party Advisory
• https://vuldb.com/?ctiid.339683Permissions Required, VDB Entry
• https://vuldb.com/?id.339683Third Party Advisory, VDB Entry
• https://vuldb.com/?submit.731772Third Party Advisory, VDB Entry
• https://www.tenda.com.cn/Product

Published

Jan 6, 2026

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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