CVE-2018-25318

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

Tenda FH303/A300 firmware V5.07.68_EN contains a session weakness vulnerability that allows unauthenticated attackers to modify DNS settings by exploiting insufficient cookie validation. Attackers can send GET requests to the /goform/AdvSetDns endpoint with a crafted admin cookie to change DNS servers and redirect user traffic to malicious sites.

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

CWE-290

Affected software

No affected versions have been published.

Timeline

Published
Apr 29, 2026
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2018-25318: Critical severity, CVSS 9.8 | Vulnix