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Tenda EUVD-2026-22055

| CVE-2026-6196 HIGH
Stack-based Buffer Overflow (CWE-121)
2026-04-13 VulDB GHSA-w9xg-4wh5-v94m
Buffer Overflow Stack Overflow Tenda
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
Re-analysis Queued
Apr 22, 2026 - 20:37 vuln.today
cvss_changed
PoC Detected
Apr 22, 2026 - 20:23 vuln.today
Public exploit code
Analysis Generated
Apr 15, 2026 - 12:31 vuln.today
CVSS changed
Apr 13, 2026 - 18:22 NVD
8.8 (HIGH) 7.4 (HIGH)
EUVD ID Assigned
Apr 13, 2026 - 18:00 euvd
EUVD-2026-22055
Analysis Generated
Apr 13, 2026 - 18:00 vuln.today
CVE Published
Apr 13, 2026 - 17:45 nvd
HIGH 7.4

DescriptionNVD

A vulnerability was detected in Tenda F456 1.0.0.5. This affects the function fromexeCommand of the file /goform/exeCommand. Performing a manipulation of the argument cmdinput results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may be used.

AnalysisAI

Stack-based buffer overflow in Tenda F456 router firmware 1.0.0.5 allows authenticated remote attackers to execute arbitrary code via the /goform/exeCommand endpoint. The vulnerability has a publicly available proof-of-concept exploit and affects the fromexeCommand function through manipulation of the cmdinput parameter. …

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RemediationAI

Within 24 hours: Identify and inventory all Tenda F456 routers running firmware 1.0.0.5 in your network environment. Within 7 days: Implement network segmentation and access controls to restrict administrative access to affected devices; disable remote management features where feasible and enforce strong authentication on remaining administrative access. …

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EUVD-2026-22055 vulnerability details – vuln.today
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