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**: An unauthorized file deletion flaw in the Telesquare TLR-2855KS6 LTE router.β¦
π‘οΈ **Root Cause**: Lack of access control validation on the DELETE method. π **Flaw**: The device fails to verify if the user has permission to remove system-level files, allowing arbitrary deletion.
π **Attacker Action**: Delete system files and scripts. π **Privileges**: No authentication required (unauthorized). π **Data Impact**: Loss of system integrity, potential denial of service.
Q5Is exploitation threshold high? (Auth/Config)
π **Threshold**: LOW. π« **Auth**: No authentication needed. βοΈ **Config**: Exploitable via standard HTTP DELETE method. Easy to trigger remotely.
Q6Is there a public Exp? (PoC/Wild Exploitation)
π **Public Exp?**: YES. π§ͺ **PoC**: Available via Nuclei templates (ProjectDiscovery) and PacketStorm Security. π **Wild Exp**: High risk due to simplicity of the DELETE request.
Q7How to self-check? (Features/Scanning)
π **Self-Check**: Scan for HTTP DELETE method support on the router's admin interface. π οΈ **Tool**: Use Nuclei with CVE-2021-46419 template.β¦
π₯ **Urgency**: HIGH. π¨ **Priority**: Critical due to lack of auth requirement. β‘ **Action**: Immediate scanning and mitigation recommended to prevent system file deletion.