CVE-2018-25316

Tenda W308R v2 V5.07.48 Cookie Session Weakness DNS Change

Published Apr 29, 2026 CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:h:tenda:w308r:5.07.48:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Tenda w308r Firmware
CPEs cpe:2.3:h:tenda:w308r:2.0:*:*:*:*:*:*:*
cpe:2.3:o:tenda:w308r_firmware:5.07.48:*:*:*:*:*:*:*
Vendors & Products Tenda w308r Firmware
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Tenda
Tenda w308r
Vendors & Products Tenda
Tenda w308r
Type Values Removed Values Added
Description 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.
Title Tenda W308R v2 V5.07.48 Cookie Session Weakness DNS Change
Weaknesses CWE-290
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Jul 15, 2026, 1:23 AM
Reserved
Apr 29, 2026, 12:26 PM
Status
Analyzed
Published
Apr 29, 2026, 8:16 PM
Modified
Jun 17, 2026, 1:55 AM