EUVD-2026-21750
CVSS Vector
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
2Description
A vulnerability was identified in Tenda F451 1.0.0.7_cn_svn7958. This affects the function fromSafeUrlFilter of the file /goform/SafeUrlFilter. Such manipulation of the argument page leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used.
Analysis
Stack-based buffer overflow in Tenda F451 router (version 1.0.0.7_cn_svn7958) allows authenticated remote attackers to achieve arbitrary code execution with high impact on confidentiality, integrity, and availability. The vulnerability resides in the fromSafeUrlFilter function handling the 'page' parameter in /goform/SafeUrlFilter endpoint. …
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Remediation
Within 24 hours: Inventory all Tenda F451 routers in your environment and identify version 1.0.0.7_cn_svn7958 deployments; verify authentication control strength on affected device web interfaces. Within 7 days: Implement network-level access restrictions to the /goform/SafeUrlFilter endpoint and restrict administrative access to router management interfaces to trusted IP ranges only. …
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External POC / Exploit Code
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