EUVD-2026-26307CVSS 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
6DescriptionNVD
A flaw has been found in Tenda 4G300 US_4G300V1.0Mt_V1.01.42_CN_TDC01. Affected is the function sub_427C3C of the file /goform/SafeMacFilter. This manipulation of the argument page causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been published and may be used.
AnalysisAI
Stack-based buffer overflow in Tenda 4G300 US_4G300V1.0Mt_V1.01.42_CN_TDC01 allows authenticated remote attackers to execute arbitrary code with elevated privileges via crafted SafeMacFilter requests. The vulnerability resides in function sub_427C3C at endpoint /goform/SafeMacFilter, where insufficient input validation of the 'page' parameter enables memory corruption. …
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RemediationAI
Within 24 hours: Identify all Tenda 4G300 devices in production using network discovery tools and document firmware versions. Within 7 days: Implement network segmentation to isolate affected routers and restrict administrative access to essential personnel only; verify user access logs for unauthorized authentication attempts. …
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External POC / Exploit Code
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