What’s Vulnerable › Vulnerabilities

CVE-2026-1601: Totolink A7000R cstecgi.cgi setUploadUserData command injection

• Severity: medium (CVSS 6.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-01-29 · updated 2026-06-17
• Weakness: CWE-74

Description

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.

Affected products

• Totolink A7000R: 4.1cu.4154

References

• https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/03_RCE_setUploadUserData_RCE.md
• https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/03_RCE_setUploadUserData_RCE.md#poc
• https://vuldb.com/?ctiid.343373
• https://vuldb.com/?id.343373
• https://vuldb.com/?submit.740760
• https://www.totolink.net/
• https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/03_RCE_setUploadUserData_RCE.md

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