CVE-2018-25316
Tenda W308R v2 V5.07.48 Cookie Session Weakness DNS Change
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.
INFO
Published Date :
April 29, 2026, 8:16 p.m.
Last Modified :
May 4, 2026, 6:42 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 3.1 | CRITICAL | [email protected] | ||||
| CVSS 4.0 | CRITICAL | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 4.0 | CRITICAL | [email protected] |
Solution
- Update device firmware to the latest version.
- Implement strict session validation mechanisms.
- Restrict access to the AdvSetDns endpoint.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2018-25316.
| URL | 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 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-25316 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2018-25316
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2018-25316 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-25316 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
May. 04, 2026
Action Type Old Value New Value Added CPE Configuration AND OR *cpe:2.3:o:tenda:w308r_firmware:5.07.48:*:*:*:*:*:*:* OR cpe:2.3:h:tenda:w308r:2.0:*:*:*:*:*:*:* Added Reference Type VulnCheck: https://www.exploit-db.com/exploits/44373 Types: Exploit, Third Party Advisory, VDB Entry Added Reference Type VulnCheck: https://www.vulncheck.com/advisories/tenda-w308r-v2-cookie-session-weakness-dns-change Types: Third Party Advisory -
New CVE Received by [email protected]
Apr. 29, 2026
Action Type Old Value New Value 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. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-290 Added Reference https://www.exploit-db.com/exploits/44373 Added Reference https://www.vulncheck.com/advisories/tenda-w308r-v2-cookie-session-weakness-dns-change