EUVD-2026-25704CVSS 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 weakness has been identified in Tenda F456 1.0.0.5. The impacted element is the function fromaddressNat of the file /goform/addressNat. Executing a manipulation of the argument menufacturer/Go can lead to buffer overflow. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks.
AnalysisAI
Buffer overflow in Tenda F456 router firmware version 1.0.0.5 allows authenticated remote attackers to execute arbitrary code or crash the device by sending malformed HTTP requests to the /goform/addressNat endpoint. The vulnerability exists in the fromaddressNat function and is actively exploitable with publicly available proof-of-concept code. …
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RemediationAI
Within 24 hours: Inventory all Tenda F456 devices running firmware version 1.0.0.5 and identify network criticality and exposure. Within 7 days: Restrict network access to the /goform/addressNat endpoint via firewall rules; implement device-level authentication hardening and credential rotation for router administrative accounts. …
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External POC / Exploit Code
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