CVE-2026-5691
Totolink A7100RU cstecgi.cgi setFirewallType os command injection
- State
- Published
- Severity
- 6.9 Medium
- Published
- Apr 6, 2026
- Updated
- Apr 7, 2026
- Reserved
- Apr 6, 2026
Description
A vulnerability has been found in Totolink A7100RU 7.4cu.2313_b20191024. This affects the function setFirewallType of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument firewallType leads to os command injection. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 7.3 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 3.0 | 7.3 High | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 7.5 High | AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
A7100RUTotolink |
|
References
- VDB-355518 | Totolink A7100RU cstecgi.cgi setFirewallType os command injectionvdb-entrytechnical-description
- VDB-355518 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- Submit #792962 | Totolink A7100RU 7.4cu.2313_b20191024 Command Injectionthird-party-advisory
- https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_189/README.mdexploit
- https://www.totolink.net/product
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