CVE-2026-7749

A security vulnerability has been detected in Totolink N300RH 3.2.4-B20220812. This affects the function setWanConfig of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The manipulation of the argument priDns leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used.

Score

CVSS 3.1 8.8 High

Status

Deferred - cna@vuldb.com

Published

2026-05-04

Last modified

2026-10-26

Weaknesses

CWE-119, CWE-120

Affected products

• N300rh Firmware (Totolink)

References

• https://vuldb.com/vuln/360924
• https://vuldb.com/vuln/360924/cti
• https://vuldb.com/submit/807203
• https://lavender-bicycle-a5a.notion.site/TOTOLINK-N300RH-setWanConfig-34553a41781f80ed8500d9b8d54074f2
• https://www.totolink.net/