EUVD-2026-21756
GHSA-2972-7g9m-9qv2
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 security vulnerability has been detected in Tenda F451 1.0.0.7_cn_svn7958. Impacted is the function frmL7ImForm of the file /goform/L7Im. The manipulation of the argument page leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used.
Analysis
Stack-based buffer overflow in Tenda F451 wireless router (firmware 1.0.0.7_cn_svn7958) allows authenticated remote attackers to achieve arbitrary code execution with high confidentiality, integrity, and availability impact. The vulnerability resides in the frmL7ImForm function handling the 'page' parameter at /goform/L7Im endpoint. …
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Remediation
Within 24 hours: Identify all Tenda F451 devices in production using network scanning and disable remote management access to the /goform/L7Im endpoint via firewall rules. Within 7 days: Contact Tenda for patch status and establish a vendor communication tracking log; isolate affected routers to segregated network segments if patch is unavailable. …
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External POC / Exploit Code
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