CVE-2026-5101
Totolink A3300R Parameter cstecgi.cgi setLanCfg command injection
- State
- Published
- Severity
- 5.3 Medium
- Published
- Mar 29, 2026
- Updated
- Mar 30, 2026
- Reserved
- Mar 29, 2026
Description
A vulnerability was identified in Totolink A3300R 17.0.0cu.557_b20221024. This affects the function setLanCfg of the file /cgi-bin/cstecgi.cgi of the component Parameter Handler. The manipulation of the argument lanIp leads to command injection. Remote exploitation of the attack is possible. The exploit is publicly available and might be used.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 6.3 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 3.0 | 6.3 Medium | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 6.5 Medium | AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
A3300RTotolink |
|
References
- VDB-354126 | Totolink A3300R Parameter cstecgi.cgi setLanCfg command injectionvdb-entrytechnical-description
- VDB-354126 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- Submit #779128 | Totolink A3300R 17.0.0cu.557_b20221024 Command Injectionthird-party-advisory
- https://github.com/Litengzheng/vul_db/blob/main/A3300R/vul_39/README.mdexploit
- https://www.totolink.net/product
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