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CVE-2026-7747 - Vulnerability Analysis

CriticalCVSS: 9.8

Last Updated: May 4, 2026

Totolink N300RH - Buffer Overflow

Published: May 4, 2026Updated: May 4, 2026Remote Exploitable

Overview

Totolink N300RH 3.2.4-B20220812 contains a buffer overflow caused by manipulation of the Password argument in /cgi-bin/cstecgi.cgi loginauth function, letting remote attackers cause memory corruption, exploit requires no special privileges.

Severity & Score

Severity: Critical

CVSS Score: 9.8

Impact

Remote attackers can cause memory corruption, potentially leading to denial of service or remote code execution.

Mitigation

Update to the latest version.

References

https://vuldb.com/vuln/360922/cti
https://www.totolink.net/
https://lavender-bicycle-a5a.notion.site/TOTOLINK-N300RH-loginauth_password-34553a41781f80c0ad36f4d95122fd40?pvs=73
https://vuldb.com/submit/807201
https://vuldb.com/vuln/360922

Related Resources

Vulnerability Intelligence Dashboard
Credential Scanner

Details

CVE ID: CVE-2026-7747
Severity: Critical
CVSS Score: 9.8
Type: buffer_overflow
Status: new

CWE

CWE-119

CVSS Metrics

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H