CVE-2026-5103
Totolink A3300R cstecgi.cgi setUPnPCfg command injection
- State
- Published
- Severity
- 5.3 Medium
- Published
- Mar 30, 2026
- Updated
- Mar 30, 2026
- Reserved
- Mar 29, 2026
Description
A weakness has been identified in Totolink A3300R 17.0.0cu.557_b20221024. This issue affects the function setUPnPCfg of the file /cgi-bin/cstecgi.cgi. This manipulation of the argument enable causes 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 | 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-354128 | Totolink A3300R cstecgi.cgi setUPnPCfg command injectionvdb-entrytechnical-description
- VDB-354128 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- Submit #779140 | Totolink A3300R 17.0.0cu.557_b20221024 Command Injectionthird-party-advisory
- https://github.com/LvHongW/Vuln-of-totolink_A3300R/tree/main/A3300R_enable_cmd_injectexploit
- https://www.totolink.net/product
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