CVE-2026-7748

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

A weakness has been identified in Totolink N300RH 3.2.4-B20220812. Affected by this issue is the function setUpgradeFW of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. Executing a manipulation of the argument FileName can lead to buffer overflow. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
May 4, 2026
Last modified
Jun 17, 2026
NVD status
Deferred

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CVE-2026-7748: High severity, CVSS 8.8 | Vulnix