CVE-2026-8227

Wavlink NU516U1 adm.cgi wzdapMesh os command injection

CVSS 5.3 MEDIUMEPSS 4.9%CWE-77 CWE-78

Vexday Risk Score

33Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

CVSS 5.3EPSS 4.9%KEV nãoPoC públicaPatch —

Lifecycle

10 May 2026Published on NVD

Recommendation: Plan a near-term fix — a public PoC already exists.

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:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Affected products

Wavlink · NU516U1

public PoCs found — 1

cve_referencegithub.com/wudipjq/my_vuln/blob/main/Wavlink/vuln_6/6.mdunverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References

https://github.com/wudipjq/my_vuln/blob/main/Wavlink/vuln_6/6.md https://vuldb.com/submit/800732 https://vuldb.com/vuln/362444 https://vuldb.com/vuln/362444/cti