CVE-2026-7121
Totolink A8000RU CGI cstecgi.cgi setWizardCfg os command injection
- State
- Published
- Severity
- 9.3 Critical
- Published
- Apr 27, 2026
- Updated
- Apr 27, 2026
- Reserved
- Apr 26, 2026
Description
A flaw has been found in Totolink A8000RU 7.1cu.643_b20200521. This affects the function setWizardCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. This manipulation of the argument wizard causes os command injection. It is possible to initiate the attack remotely. The exploit has been published 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-359720 | Totolink A8000RU CGI cstecgi.cgi setWizardCfg os command injectionvdb-entrytechnical-description
- VDB-359720 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- Submit #800933 | Totolink A8000RU 7.1cu.643_b20200521 Command Injectionthird-party-advisory
- https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_306/README.mdexploit
- https://www.totolink.net/product
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