CVE-2026-5852
Totolink A7100RU CGI cstecgi.cgi setIptvCfg os command injection
- State
- Published
- Severity
- 9.3 Critical
- Published
- Apr 9, 2026
- Updated
- Apr 9, 2026
- Reserved
- Apr 8, 2026
Description
A weakness has been identified in Totolink A7100RU 7.4cu.2313_b20191024. Affected is the function setIptvCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. This manipulation of the argument igmpVer causes os command injection. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks.
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 |
|---|---|
A7100RUTotolink |
|
References
- VDB-356378 | Totolink A7100RU CGI cstecgi.cgi setIptvCfg os command injectionvdb-entrytechnical-description
- VDB-356378 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- Submit #791272 | Totolink A7100RU 7.4cu.2313_b20191024 Command Injectionthird-party-advisory
- https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_158/README.mdexploit
- https://www.totolink.net/product
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