CVE-2026-7747

HIGH EPSS 44.6%

Published May 4, 20261mo ago · Modified Jun 17, 20261w ago

8.9 CVSS 4.0

High

Published May 4, 2026 1mo ago

Last Modified Jun 17, 2026 1w ago

Description

A security flaw has been discovered in Totolink N300RH 3.2.4-B20220812. Affected by this vulnerability is the function loginauth of the file /cgi-bin/cstecgi.cgi of the component Parameter Handler. Performing a manipulation of the argument Password results in buffer overflow. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks.

CVSS Details

Base Score

8.9

Exploitability

—

Impact

—

Vector string

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction None

Scope X

Threat Intelligence

EPSS Exploit Probability

44.6% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 2

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Memory Safety

CWE-120

References 5

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.