A vulnerability was determined in Tenda A18 Pro 02.03.02.28. The impacted element is the function sub_423B50 of the file /goform/setMacFilterCfg of the component MAC Filtering Configuration Endpoint. Executing a manipulation of the argument deviceList can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized.

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Fixes

Solution

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Workaround

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History

Mon, 23 Mar 2026 10:00:00 +0000

Type Values Removed Values Added
First Time appeared Tenda
Tenda a18 Pro
Vendors & Products Tenda
Tenda a18 Pro

Fri, 20 Mar 2026 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 20 Mar 2026 17:45:00 +0000

Type Values Removed Values Added
Description A vulnerability was determined in Tenda A18 Pro 02.03.02.28. The impacted element is the function sub_423B50 of the file /goform/setMacFilterCfg of the component MAC Filtering Configuration Endpoint. Executing a manipulation of the argument deviceList can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized.
Title Tenda A18 Pro MAC Filtering Configuration Endpoint setMacFilterCfg sub_423B50 stack-based overflow
Weaknesses CWE-119
CWE-121
References
Metrics cvssV2_0

{'score': 9, 'vector': 'AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 8.8, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 8.7, 'vector': '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'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-03-20T19:57:08.515Z

Reserved: 2026-03-20T08:32:52.804Z

Link: CVE-2026-4493

cve-icon Vulnrichment

Updated: 2026-03-20T19:57:04.148Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-03-20T18:16:17.597

Modified: 2026-03-24T15:54:09.400

Link: CVE-2026-4493

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-03-23T09:53:08Z

Weaknesses