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Tenda F456 CVE-2026-7031

| EUVD-2026-25706 HIGH
Classic Buffer Overflow (CWE-120)
2026-04-26 VulDB
7.4
CVSS 4.0
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CVSS 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
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

7
PoC Detected
Apr 29, 2026 - 18:29 vuln.today
Public exploit code
Re-analysis Queued
Apr 27, 2026 - 19:07 vuln.today
cvss_changed
Analysis Generated
Apr 26, 2026 - 10:30 vuln.today
CVSS changed
Apr 26, 2026 - 10:22 NVD
8.8 (HIGH) 7.4 (HIGH)
EUVD ID Assigned
Apr 26, 2026 - 10:15 euvd
EUVD-2026-25706
Analysis Generated
Apr 26, 2026 - 10:15 vuln.today
CVE Published
Apr 26, 2026 - 09:45 nvd
HIGH 7.4

DescriptionNVD

A vulnerability was detected in Tenda F456 1.0.0.5. This impacts the function fromSafeMacFilter of the file /goform/SafeMacFilter. The manipulation of the argument page results in buffer overflow. It is possible to launch the attack remotely. The exploit is now public and may be used.

AnalysisAI

Buffer overflow in Tenda F456 router version 1.0.0.5 allows authenticated remote attackers to achieve complete device compromise via crafted HTTP requests to the /goform/SafeMacFilter endpoint. The vulnerability resides in the fromSafeMacFilter function's improper validation of the 'page' parameter. …

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RemediationAI

Within 24 hours: Identify all Tenda F456 devices in your environment and document firmware versions. Within 7 days: Restrict access to affected routers (disable remote management, limit admin account privileges, implement network segmentation). …

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CVE-2026-7031 vulnerability details – vuln.today

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