Medium 6.3Published May 9, 2026

CVE-2026-8227Wavlink NU516U1 adm.cgi wzdapMesh os command injection

Updated under an hour ago (Oct 26, 2026, 8:00 PM ET)

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It affects Wavlink NU516U1 and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Wavlink NU516U1

Exploited in the last 30 days

A weakness has been identified in Wavlink NU516U1 240425. This issue affects the function wzdapMesh of the file /cgi-bin/adm.cgi. This manipulation causes os command injection. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure.

CVSS: 6.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
Weakness (CWE): CWE-78, CWE-77
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: Analyzed
Record last updated: May 11, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Wavlink NU516U1 wavlink:nu516u1 (from the name)	240425	CNA record
wavlink wl-nu516u1_firmware wavlink:wl-nu516u1_firmware	m16u1_v240425	NVD

References

References

https://vuldb.com/vuln/362444	vdb-entry, technical-description, third-party-advisory
https://vuldb.com/vuln/362444/cti	signature, permissions-required, vdb-entry
https://vuldb.com/submit/800732	third-party-advisory, vdb-entry
https://github.com/wudipjq/my_vuln/blob/main/Wavlink/vuln_6/6.md	exploit, third-party-advisory

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.