CVE-2026-85031
TOTOLINK CP450 cstecgi.cgi buffer overflow
- State
- Published
- Severity
- 9.4 Critical
- Published
- Sep 3, 2026
- Updated
- Sep 3, 2026
- Reserved
- Sep 2, 2026
Description
A vulnerability was found in TOTOLINK CP450 4.1.0. The impacted element is an unknown function of the file /cgi-bin/cstecgi.cgi. Performing a manipulation of the argument topicurl results in buffer overflow. Remote exploitation of the attack is possible.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.4 Critical | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P | VulDB |
| 3.1 | 9.9 Critical | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 3.0 | 9.9 Critical | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/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 |
|---|---|
CP450TOTOLINK |
|
References
- VDB-398296 | TOTOLINK CP450 cstecgi.cgi buffer overflowvdb-entrytechnical-description
- VDB-398296 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-85031 | CVE Analysis and Reportthird-party-advisory
- Submit #853096 | TOTOLINK CP450 V4.1.0 Buffer Overflowthird-party-advisory
- https://www.totolink.net/product
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