CVE-2026-4493

Tenda A18 Pro MAC Filtering Configuration Endpoint setMacFilterCfg sub_423B50 stack-based overflow

HIGH
8.8
CVSS Score
Published: March 20, 2026 at 05:32 PM UTC
Updated: June 17, 2026 at 10:56 AM UTC
1 product affected across 1 vendorA18 Pro

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Severity
HIGH8.8
Exploit prediction
EPSS 0.6%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (5)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/?id.352019
SignaturePermissions Required
Source: cverecord
https://vuldb.com/?ctiid.352019
Third Party Advisory
Source: cverecord
https://vuldb.com/?submit.773727
ExploitIssue Tracking
Source: cverecord
https://github.com/lilukun337/cve/issues/5
Product
Source: cverecord
https://www.tenda.com.cn/

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-121CWE-119

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