๐Ÿ” CVE Alert

CVE-2018-25318

CRITICAL 9.8

Tenda FH303/A300 V5.07.68_EN Cookie Session Weakness DNS Change

CVSS Score
9.8
EPSS Score
0.0%
EPSS Percentile
0th

Tenda FH303/A300 firmware V5.07.68_EN contains a session weakness vulnerability that allows unauthenticated attackers to modify DNS settings by exploiting insufficient cookie validation. Attackers can send GET requests to the /goform/AdvSetDns endpoint with a crafted admin cookie to change DNS servers and redirect user traffic to malicious sites.

CWE CWE-290
Vendor tenda
Product fh303/a300
Published Apr 29, 2026
Last Updated Apr 29, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Affected Versions

Tenda / FH303/A300
5.07.68

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
exploit-db.com: https://www.exploit-db.com/exploits/44381 vulncheck.com: https://www.vulncheck.com/advisories/tenda-fh303-a300-68-en-cookie-session-weakness-dns-change