What is CVE-2018-25317?

CVE-2018-25317 is a critical-severity vulnerability in Tenda A302, classified under Authentication Bypass by Spoofing. CVSS score: 9.8/10. Published 2026-04-29.

How severe is CVE-2018-25317?

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

Vulnerability in Tenda A302

CVE-2018-25317

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…

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 A302
Tenda A302_firmware — versions 5.07.64_en
Tenda W3002r — versions 5.07.64
Tenda W3002r_firmware — versions 5.07.64_en
Tenda W309r
Tenda W309r_firmware — versions 5.07.64_en

Weakness classification (CWE)

CWE-290 — Authentication Bypass by Spoofing

References

ExploitDB-44380 (Exploit, exploit, Third Party Advisory, VDB Entry)
VulnCheck Advisory: Tenda W3002R/A302/W309R V5.07.64_en Cookie Session Weakness DNS Change (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2018-25317?: CVE-2018-25317 is a critical-severity vulnerability in Tenda A302, classified under Authentication Bypass by Spoofing. CVSS score: 9.8/10. Published 2026-04-29.
How severe is CVE-2018-25317?: Critical severity. CVSS v3 base score is 9.8 out of 10.