CVE-2026-4497

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

A vulnerability was determined in Totolink WA300 5.2cu.7112_B20190227. Affected by this issue is the function recvUpgradeNewFw of the file /cgi-bin/cstecgi.cgi. This manipulation causes os command injection. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Mar 20, 2026
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2026-4497: Critical severity, CVSS 9.8 | Vulnix