CVE-2018-25317: Tenda W3002R/A302/W309R V5.07.64_en Cookie Session Weakness DNS Change

Published Apr 29, 2026
·
Updated

Tenda W3002R/A302/W309R wireless routers version V5.07.64_en contain 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 primary and secondary DNS servers, redirecting user traffic to malicious DNS servers.

Affected Software

9 affected components
Tenda W3002R=V5.07.64_en
Tenda A302=V5.07.64_en
Tenda W309R=V5.07.64_en
All of the following
Tenda W3002r Firmware=5.07.64_en
Tenda W3002R
All of the following
Tenda A302 Firmware=5.07.64_en
Tenda A302
All of the following
Tenda W309r Firmware=5.07.64_en
Tenda W309R

Event History

Apr 29, 2026
CVE Published
via MITRE·07:24 PM
Data Sourced
via MITRE·07:24 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·08:16 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2018-25317?

CVE-2018-25317 has a medium severity rating due to its potential to allow unauthorized modification of DNS settings.

2

How do I fix CVE-2018-25317?

To fix CVE-2018-25317, upgrade the firmware of your Tenda W3002R, A302, or W309R devices to the latest version beyond V5.07.64_en.

3

What are the affected versions for CVE-2018-25317?

Affected versions for CVE-2018-25317 include Tenda W3002R, A302, and W309R all running V5.07.64_en.

4

Who can exploit CVE-2018-25317?

CVE-2018-25317 can be exploited by unauthenticated attackers who can manipulate session cookies to change DNS settings.

5

What type of vulnerability is CVE-2018-25317?

CVE-2018-25317 is classified as a cookie session weakness which leads to improper session validation.

Contact

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