Description
A vulnerability was identified in TOTOLINK CA300-PoE 6.2c.884. The affected element is the function setLanConfig of the file /cgi-bin/cstecgi.cgi. Such manipulation of the argument lanDns/lanSecDns/langType leads to buffer overflow. It is possible to launch the attack remotely. The exploit is publicly available and might be used.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| TOTOLINK | CA300-PoE | 6.2c.884 | — |
References
- VDB-432021 | TOTOLINK CA300-PoE cstecgi.cgi setLanConfig buffer overflow vdb-entry technical-description
- VDB-432021 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- CVE-2026-123958 | CVE Analysis and Report third-party-advisory
- Submit #1033673 | TOTOLINK CA300-PoE CA300-PoE_Firmware V6.2c.884 Buffer Overflow third-party-advisory
- https://lavender-bicycle-a5a.notion.site/TOTOLINK-CA300-PoE-setLanConfig-3f953a41781f8029941cd21d2cc16db0?source=copy_link exploit
- https://www.totolink.net/ product