CVE-2026-7750

HIGH 8.8

Totolink N300RH POST Request cstecgi.cgi setMacFilterRules buffer overflow

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-120 CWE-119
Vendor	totolink
Product	n300rh
Published	May 4, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Totolink / N300RH

3.2.4-B20220812

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/360925 vuldb.com: https://vuldb.com/vuln/360925/cti vuldb.com: https://vuldb.com/submit/807204 lavender-bicycle-a5a.notion.site: https://lavender-bicycle-a5a.notion.site/TOTOLINK-N300RH-setMacFilterRules-34553a41781f809cb952cdcb71ce90d8 totolink.net: https://www.totolink.net/

Credits

🔍 wxhwxhwxh_mie (VulDB User)