Description
A vulnerability was determined in TOTOLINK CA300-PoE 6.2c.884. Impacted is the function setIpQosRules of the file /cgi-bin/cstecgi.cgi. This manipulation of the argument ipStart causes buffer overflow. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| TOTOLINK | CA300-PoE | 6.2c.884 | — |
References
- VDB-432020 | TOTOLINK CA300-PoE cstecgi.cgi setIpQosRules buffer overflow vdb-entry technical-description
- VDB-432020 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- CVE-2026-123957 | CVE Analysis and Report third-party-advisory
- Submit #1033672 | TOTOLINK CA300-PoE CA300-PoE_Firmware V6.2c.884 Buffer Overflow third-party-advisory
- https://lavender-bicycle-a5a.notion.site/TOTOLINK-CA300-PoE-setIpQosRules-3f953a41781f801195e5e07dfe7488b9?source=copy_link exploit
- https://www.totolink.net/ product