CVE-2026-1601
Totolink A7000R cstecgi.cgi setUploadUserData command injection
- State
- Published
- Severity
- 5.3 Medium
- Published
- Jan 29, 2026
- Updated
- Feb 23, 2026
- Reserved
- Jan 29, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 6.3 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 3.0 | 6.3 Medium | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 6.5 Medium | AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
A7000RTotolink |
|
References
- VDB-343373 | Totolink A7000R cstecgi.cgi setUploadUserData command injectionvdb-entrytechnical-description
- VDB-343373 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- Submit #740760 | TOTOLINK A7000R V4.1cu.4154 Command Injectionthird-party-advisory
- https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/03_RCE_setUploadUserData_RCE.mdexploit
- https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/03_RCE_setUploadUserData_RCE.md#pocexploit
- https://www.totolink.net/product
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