High 8.8Published Mar 20, 2026

CVE-2026-4493Tenda A18 Pro MAC Filtering Configuration Endpoint setMacFilterCfg sub_423B50 stack-based overflow

Updated under an hour ago (Oct 27, 2026, 10:23 PM ET)

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Every CVE for Tenda A18 Pro

Exploited in the last 30 days

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.

CVSS: 8.8 HIGH (v3.1, CNA)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
Weakness (CWE): CWE-121, CWE-119
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Mar 20, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Tenda A18 Pro tenda:a18_pro (from the name)	02.03.02.28	CNA record

References

References

https://vuldb.com/?id.352019	vdb-entry, technical-description
https://vuldb.com/?ctiid.352019	signature, permissions-required
https://vuldb.com/?submit.773727	third-party-advisory
https://github.com/lilukun337/cve/issues/5	exploit, issue-tracking
https://www.tenda.com.cn/	product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.