CVE-2026-1601

A weakness has been identified in Totolink A7000R 4.1cu.4154. The impacted element is the function setUploadUserData of the file /cgi-bin/cstecgi.cgi. Executing a manipulation of the argument FileName can lead to command injection. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks.

• CWE-74
• CWE-77

• https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/03_RCE_setUploadUserData_RCE.mdExploit, Third Party Advisory
• https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/03_RCE_setUploadUserData_RCE.md#pocExploit
• https://vuldb.com/?ctiid.343373Permissions Required, VDB Entry
• https://vuldb.com/?id.343373Third Party Advisory, VDB Entry
• https://vuldb.com/?submit.740760Third Party Advisory, VDB Entry
• https://www.totolink.net/Product
• https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/03_RCE_setUploadUserData_RCE.mdExploit, Third Party Advisory

Published

Jan 29, 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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