Critical severity9.9NVD Advisory· Published Nov 7, 2026· Updated Nov 7, 2026

CVE-2026-123957

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Totolink/CA300-PoEllm-fuzzy
Range: 6.2c.884

Patches

Vulnerability mechanics

References

lavender-bicycle-a5a.notion.site/TOTOLINK-CA300-PoE-setIpQosRules-3f953a41781f801195e5e07dfe7488b9nvd
vuldb.com/cve/CVE-2026-123957nvd
vuldb.com/submit/1033672nvd
vuldb.com/vuln/432020nvd
vuldb.com/vuln/432020/ctinvd
www.totolink.netnvd

News mentions

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