CVE-2018-25316

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.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.exploit-db.com/exploits/44373	Exploit Third Party Advisory VDB Entry
https://www.vulncheck.com/advisories/tenda-w308r-v2-cookie-session-weakness-dns-change	Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:tenda:w308r_firmware:5.07.48:*:*:*:*:*:*:*

cpe:2.3:h:tenda:w308r:2.0:*:*:*:*:*:*:*

History

04 May 2026, 18:42

Type	Values Removed	Values Added
First Time		Tenda Tenda w308r Tenda w308r Firmware
References	~~() https://www.exploit-db.com/exploits/44373 -~~	() https://www.exploit-db.com/exploits/44373 - Exploit, Third Party Advisory, VDB Entry
References	~~() https://www.vulncheck.com/advisories/tenda-w308r-v2-cookie-session-weakness-dns-change -~~	() https://www.vulncheck.com/advisories/tenda-w308r-v2-cookie-session-weakness-dns-change - Third Party Advisory
CPE		cpe:2.3:h:tenda:w308r:2.0:::::::* cpe:2.3:o:tenda:w308r_firmware:5.07.48:::::::*

30 Apr 2026, 15:11

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-04-29 20:16

Updated : 2026-05-04 18:42

NVD link : CVE-2018-25316

Mitre link : CVE-2018-25316

CVE.ORG link : CVE-2018-25316

JSON object : View

Products Affected

tenda

w308r_firmware
w308r

CWE

CWE-290

Authentication Bypass by Spoofing

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