CVE-2018-25316 CRITICAL

CVE-2018-25316: Tenda W308R v2 V5.07.48 Cookie Session Weakness DNS Change

Vendor Tenda
Product W308R v2
Weakness CWE-290
Published April 29, 2026
Last update May 28, 2026
View on NVD All CVEs

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

Tenda W308R v2 V5.07.48 contains a cookie session weakness vulnerability that allows unauthenticated attackers to modify DNS settings by exploiting insufficient session validation. Attackers can send GET requests to the goform/AdvSetDns endpoint with a crafted admin language cookie to change DNS servers and redirect user traffic to malicious sites.

Key dates

02Disclosure timeline

April 29, 2026 CVE published
May 28, 2026 Record updated