CVE-2026-9458
Totolink A8000RU Web Management cstecgi.cgi setWanCfg os command injection
- State
- Published
- Severity
- 9.3 Critical
- Published
- May 25, 2026
- Updated
- May 28, 2026
- Reserved
- May 24, 2026
Description
A vulnerability was identified in Totolink A8000RU 7.1cu.643_b20200521. The impacted element is the function setWanCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Such manipulation of the argument enabled leads to os command injection. The attack may be performed from remote. The exploit is publicly available and might 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-365439 | Totolink A8000RU Web Management cstecgi.cgi setWanCfg os command injectionvdb-entrytechnical-description
- VDB-365439 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- Submit #813457 | Totolink A8000RU 7.1cu.643_b20200521 Command Injectionthird-party-advisory
- https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_346/README.mdexploit
- https://www.totolink.net/product
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