EUVD-2026-25763CVSS VectorNVD
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
7DescriptionNVD
A security vulnerability has been detected in Tenda F456 1.0.0.5. This impacts the function fromPPTPUserSetting of the file /goform/PPTPUserSetting of the component httpd. Such manipulation of the argument delno leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed publicly and may be used.
AnalysisAI
Buffer overflow in Tenda F456 router firmware 1.0.0.5 allows authenticated remote attackers to achieve full device compromise through the PPTP user management interface. The vulnerability exists in the fromPPTPUserSetting function within the httpd component, exploitable via manipulation of the 'delno' parameter sent to /goform/PPTPUserSetting. …
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RemediationAI
Within 24 hours: Identify all Tenda F456 routers in your environment and document firmware versions via admin interface or network scanning. Within 7 days: Restrict administrative access to PPTP configuration to trusted networks only; disable PPTP management remotely if not actively required. …
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External POC / Exploit Code
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