CVE-2018-25316

critical

Published 2026-04-29 · Modified 2026-05-04

CVSS v3

9.8

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2

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VIR risk

9.8

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.

Predictions

Exploit likelihood

97%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.

References

https://www.exploit-db.com/exploits/44373
https://www.vulncheck.com/advisories/tenda-w308r-v2-cookie-session-weakness-dns-change

CWEs

CWE-290

Verify integrity in audit chain (admin only). AS-IS.