CVE-2026-123961 TOTOLINK CA300-PoE cstecgi.cgi setWiFiBasicConfig buffer overflow
CriticalCVSS 9.4
- Published
- Updated
- Exploit status
- No public exploit known
Description
A security vulnerability has been detected in TOTOLINK CA300-PoE 6.2c.884. This impacts the function setWiFiBasicConfig of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument KeyStr leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| totolink ca300-poe firmware | = 6.2c.884 | No fix listed |
References
- VDB-432024 | TOTOLINK CA300-PoE cstecgi.cgi setWiFiBasicConfig buffer overflow technical-description vdb-entry
- VDB-432024 | CTI Indicators (IOB, IOC, IOA) permissions-required signature
- CVE-2026-123961 | CVE Analysis and Report third-party-advisory
- Submit #1033753 | TOTOLINK CA300-PoE CA300-PoE_Firmware V6.2c.884 Buffer Overflow third-party-advisory
- lavender-bicycle-a5a.notion.site exploit
- www.totolink.net product