CVE-2025-7758
TOTOLINK T6 HTTP POST Request cstecgi.cgi setDiagnosisCfg buffer overflow
- State
- Published
- Severity
- 8.7 High
- Published
- Jul 17, 2025
- Updated
- Jul 18, 2025
- Reserved
- Jul 17, 2025
Description
A vulnerability, which was classified as critical, has been found in TOTOLINK T6 up to 4.1.5cu.748_B20211015. Affected by this issue is the function setDiagnosisCfg of the file /cgi-bin/cstecgi.cgi of the component HTTP POST Request Handler. The manipulation of the argument ip leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 8.8 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 3.0 | 8.8 High | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 2.0 | 9.0 High | AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
T6TOTOLINK |
|
References
- VDB-316748 | TOTOLINK T6 HTTP POST Request cstecgi.cgi setDiagnosisCfg buffer overflowvdb-entrytechnical-description
- VDB-316748 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #615734 | TOTOLINK T6 V4.1.5cu.748_B20211015 Buffer Overflowthird-party-advisory
- https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/3.mdrelated
- https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/3.md#pocexploit
- https://www.totolink.net/product
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