CVE-2026-7750

A vulnerability was detected in Totolink N300RH 3.2.4-B20220812. This vulnerability affects the function setMacFilterRules of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The manipulation of the argument mac_address results in buffer overflow. The attack may be launched remotely. The exploit is now public 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/360925
• https://vuldb.com/vuln/360925/cti
• https://vuldb.com/submit/807204
• https://lavender-bicycle-a5a.notion.site/TOTOLINK-N300RH-setMacFilterRules-34553a41781f809cb952cdcb71ce90d8
• https://www.totolink.net/