CVE-2025-8938
TOTOLINK N350R Telnet Service formSysTel backdoor
- State
- Published
- Severity
- 5.3 Medium
- Published
- Aug 14, 2025
- Updated
- Aug 15, 2025
- Reserved
- Aug 13, 2025
Description
A vulnerability was found in TOTOLINK N350R 1.2.3-B20130826. This issue affects the function formSysTel of the file /boafrm/formSysTel of the component Telnet Service. The manipulation of the argument TelEnabled leads to backdoor. The attack may be initiated remotely. The exploit has been disclosed to the public and may 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:W/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:W/RC:R | VulDB |
| 2.0 | 6.5 Medium | AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:W/RC:UR | VulDB |
Weaknesses
- CWE-912 Backdoor
Affected Products
| Product | Versions |
|---|---|
N350RTOTOLINK |
|
References
- VDB-319901 | TOTOLINK N350R Telnet Service formSysTel backdoorvdb-entrytechnical-description
- VDB-319901 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- Submit #631837 | TOOLINK N350R V1.2.3-B20130826 Backdoorthird-party-advisory
- https://github.com/rew1X/CVE/blob/main/TOTOLINK/formSysTel/formSysTel.mdrelated
- https://github.com/rew1X/CVE/blob/main/TOTOLINK/formSysTel/formSysTel.md#pocexploit
- https://www.totolink.net/product
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