CVE-2026-7122
Totolink A8000RU CGI cstecgi.cgi setUPnPCfg os command injection
- State
- Published
- Severity
- 9.3 Critical
- Published
- Apr 27, 2026
- Updated
- Apr 29, 2026
- Reserved
- Apr 26, 2026
Description
A vulnerability has been found in Totolink A8000RU 7.1cu.643_b20200521. This impacts the function setUPnPCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument enable leads to os command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.3 Critical | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 9.8 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 3.0 | 9.8 Critical | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 2.0 | 10.0 High | AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
A8000RUTotolink |
|
References
- VDB-359721 | Totolink A8000RU CGI cstecgi.cgi setUPnPCfg os command injectionvdb-entrytechnical-description
- VDB-359721 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- Submit #800934 | Totolink A8000RU 7.1cu.643_b20200521 Command Injectionthird-party-advisory
- https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_307/README.mdexploit
- https://www.totolink.net/product
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