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Tenda CVE-2026-4491

| EUVD-2026-13738 HIGH
Stack-based Buffer Overflow (CWE-121)
2026-03-20 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

6
Re-analysis Queued
Apr 22, 2026 - 21:37 vuln.today
cvss_changed
CVSS changed
Apr 22, 2026 - 21:37 NVD
8.8 (HIGH) 7.4 (HIGH)
PoC Detected
Mar 24, 2026 - 15:54 vuln.today
Public exploit code
EUVD ID Assigned
Mar 20, 2026 - 16:45 euvd
EUVD-2026-13738
Analysis Generated
Mar 20, 2026 - 16:45 vuln.today
CVE Published
Mar 20, 2026 - 16:32 nvd
HIGH 8.8

DescriptionNVD

A vulnerability has been found in Tenda A18 Pro 02.03.02.28. Impacted is the function fromSetIpMacBind of the file /goform/SetIpMacBind. Such manipulation of the argument list leads to stack-based buffer overflow. The attack can be executed remotely. The exploit has been disclosed to the public and may be used.

AnalysisAI

Stack-based buffer overflow in Tenda A18 Pro firmware version 02.03.02.28 allows remote attackers with low privileges to achieve complete system compromise through manipulation of the SetIpMacBind function arguments. Public exploit code exists for this vulnerability, and no patch is currently available. …

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RemediationAI

Within 24 hours: Identify all Tenda A18 Pro devices running firmware 02.03.02.28 in your environment and isolate them from critical systems; disable the /goform/SetIpMacBind endpoint if possible. Within 7 days: Implement network segmentation to restrict administrative access to these devices; deploy WAF rules to block malicious requests to the vulnerable endpoint. …

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CVE-2026-4491 vulnerability details – vuln.today

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