PT-2026-36001 · Undefined · Undefined

CVE-2018-25318 · Published 2026-04-29 · Updated 2026-04-29

NVD

CVSS v3.1

9.8

Critical

Base vector

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

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.

Fix

Authentication Bypass by Spoofing

Weakness Enumeration

CWE-290

Related Identifiers

CVE-2018-25318

Affected Products

Undefined

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2018-25318 · Security Note
• https://exploit-db.com/exploits/44381 · Note
• https://vulncheck.com/advisories/tenda-fh303-a300-68-en-cookie-session-weakness-dns-change · Note