CVE-2026-4491

| EUVD-2026-13738 HIGH
2026-03-20 VulDB
8.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

4
PoC Detected
Mar 24, 2026 - 15:54 vuln.today
Public exploit code
Analysis Generated
Mar 20, 2026 - 16:45 vuln.today
EUVD ID Assigned
Mar 20, 2026 - 16:45 euvd
EUVD-2026-13738
CVE Published
Mar 20, 2026 - 16:32 nvd
HIGH 8.8

Description

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.

Analysis

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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Remediation

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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Priority Score

64
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +44
POC: +20

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CVE-2026-4491 vulnerability details – vuln.today

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