What is CVE-2018-25316?

CVE-2018-25316 is a critical-severity vulnerability in Tenda R V, classified under Authentication Bypass by Spoofing. CVSS score: 9.8/10. Published 2026-04-29.

How severe is CVE-2018-25316?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Tenda R V

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 en…

EPSS: 0.002 (38.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Tenda R V — versions 5.07.48
Tenda W — versions 5.07.48
Tenda W308r — versions 2.0
Tenda W308r_firmware — versions 5.07.48
Tenda W308r V2 — versions 5.07.48

Weakness classification (CWE)

CWE-290 — Authentication Bypass by Spoofing

References

ExploitDB-44373 (Exploit, exploit, Third Party Advisory, VDB Entry)
VulnCheck Advisory: Tenda W308R v2 V5.07.48 Cookie Session Weakness DNS Change (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2018-25316?: CVE-2018-25316 is a critical-severity vulnerability in Tenda R V, classified under Authentication Bypass by Spoofing. CVSS score: 9.8/10. Published 2026-04-29.
How severe is CVE-2018-25316?: Critical severity. CVSS v3 base score is 9.8 out of 10.