This is a summary of the AI-generated 10-question deep analysis. The full version (longer answers, follow-up Q&A, related CVEs) requires login. Read the full analysis β
Q1What is this vulnerability? (Essence + Consequences)
π¨ **Essence**: A credential leakage flaw in Intelbras routers. π **Consequences**: Attackers can steal Wi-Fi passwords by simply viewing the page source code. No complex hacking needed!
Q2Root Cause? (CWE/Flaw)
π‘οΈ **Root Cause**: Poor handling of sensitive data in HTML. π **Flaw**: The wireless password is exposed in the `def_wirelesspassword` line within the HTML source code. It's a classic **Information Disclosure** issue.
Q3Who is affected? (Versions/Components)
π **Affected**: Intelbras WIN 300 and WRN 342 devices. π **Version**: Versions released on or before **2021-01-04**. If you have an older router, you are at risk!
Q4What can hackers do? (Privileges/Data)
π» **Action**: Remote attackers can discover credentials. π **Data**: Specifically, the **wireless password** is exposed. This allows unauthorized access to your network.
Q5Is exploitation threshold high? (Auth/Config)
π **Threshold**: **LOW**. π« **Auth**: No authentication required! π **Config**: Just need to access the router's web interface. Anyone on the network (or potentially remote if exposed) can view the source.
Q6Is there a public Exp? (PoC/Wild Exploitation)
π’ **Exploit**: Yes, public PoCs exist. π **Links**: Nuclei templates and Awesome-POC repos have scripts ready to detect this. Wild exploitation is easy for anyone with basic skills.
Q7How to self-check? (Features/Scanning)
π **Check**: Open the router's login page in a browser. ποΈ **Action**: Right-click -> **View Page Source**. π **Search**: Look for `def_wirelesspassword`. If you see a value there, you are vulnerable!
Q8Is it fixed officially? (Patch/Mitigation)
π§ **Fix**: Update firmware immediately. π¦ **Patch**: Intelbras released updates after Jan 4, 2021. Check the official Intelbras support page for the latest version for WIN 300/WRN 342.
Q9What if no patch? (Workaround)
π‘οΈ **Workaround**: If you can't patch, **change your Wi-Fi password** immediately. π **Mitigation**: Ensure the router's admin interface is not exposed to the public internet. Use a firewall to restrict access.
Q10Is it urgent? (Priority Suggestion)
β‘ **Priority**: **HIGH**. π¨ **Urgency**: Since no auth is needed and PoCs are public, this is an easy target for automated bots. Fix it NOW to protect your network privacy!