CVE-2018-25316 — AI Deep Analysis Summary

🚨 **Essence**: Tenda W308R v2 has a **Cookie Session Weakness**. 📉 **Consequences**: Attackers can **modify DNS settings** without permission. This redirects user traffic to **malicious sites** (Phishing/Malware).…

🛡️ **Root Cause**: **CWE-290** (Authentication Bypass via Spoofing). The router fails to validate the **admin language cookie** properly. Weak session management allows unauthorized state changes.

📦 **Affected**: **Tenda W308R** (Home Wireless Router). 📌 **Specific Version**: **v2 V5.07.48**. Only this specific firmware version is vulnerable to this specific flaw.

💀 **Hacker Power**: **Unauthenticated** access! 🌐 They can change **DNS servers** via the `/goform/AdvSetDns` endpoint. Result: **Traffic redirection** to attacker-controlled servers.…

⚡ **Threshold**: **LOW**. 🚫 **No Auth Required**. 🚫 **No User Interaction Needed**. Attackers just send a crafted GET request with a fake cookie. Extremely easy to exploit remotely.

🔍 **Public Exp?**: **YES**. 📂 **ExploitDB ID**: 44373. 📝 **Advisory**: VulnCheck published details. Proof-of-Concept (PoC) is available for immediate testing and exploitation.

🔎 **Self-Check**: Scan for **Tenda W308R** devices. 🧪 Test the `/goform/AdvSetDns` endpoint. 🍪 Send a GET request with a manipulated **admin language cookie**. If it accepts the change, you are vulnerable!

🩹 **Official Fix**: Data does **NOT** list a specific patch version or vendor advisory link for a fix. 📅 Published date is future-dated (2026), suggesting this is a retrospective or simulated dataset entry.…

🛠️ **Workaround**: **Isolate** the device on a separate VLAN. 🚫 **Disable** remote management features. 🔄 **Monitor** DNS settings manually.…

🔥 **Urgency**: **CRITICAL**. 📈 **CVSS Score**: 9.8 (High). 🚨 **CVSS Vector**: AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. Zero auth, low complexity, high impact. **Patch or isolate immediately!**