Description
A weakness has been identified in TOTOLINK CA300-PoE 6.2c.884. This affects the function setWanConfig of the file /cgi-bin/cstecgi.cgi. Executing a manipulation of the argument pppoeUser/priDns/secDns can lead to buffer overflow. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| TOTOLINK | CA300-PoE | 6.2c.884 | — |
References
- VDB-432023 | TOTOLINK CA300-PoE cstecgi.cgi setWanConfig buffer overflow vdb-entry technical-description
- VDB-432023 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- CVE-2026-123960 | CVE Analysis and Report third-party-advisory
- Submit #1033722 | TOTOLINK CA300-PoE CA300-PoE_Firmware V6.2c.884 Buffer Overflow third-party-advisory
- https://lavender-bicycle-a5a.notion.site/TOTOLINK-CA300-PoE-setWanConfig-3f953a41781f80ec86f3c2840cb5fc4b?source=copy_link exploit
- https://www.totolink.net/ product