What’s Vulnerable › Vulnerabilities

CVE-2018-25316: Tenda W308R v2 V5.07.48 Cookie Session Weakness DNS Change

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-04-29 · updated 2026-06-17
• Weakness: CWE-290

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.

Affected products

• Tenda W308R v2: 5.07.48

References

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

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