CVE-2026-8189

Wavlink NU516U1 adm.cgi wzdrepeater os command injection

CVSS 5.3 MEDIUMEPSS 4.8%CWE-77 CWE-78

Vexday Risk Score

33Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

CVSS 5.3EPSS 4.8%KEV nãoPoC públicaNuclei —Metasploit —Patch —

Lifecycle

09 May 2026Published on NVD

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

A vulnerability was found in Wavlink NU516U1 M16U1_V240425. Affected by this vulnerability is the function wzdrepeater of the file /cgi-bin/adm.cgi. The manipulation of the argument wlan_bssid/sel_Automode/sel_EncrypTyp results in os command injection. It is possible to launch the attack remotely. The exploit has been made public and could be used. 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_2/2.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_2/2.md https://vuldb.com/submit/800728 https://vuldb.com/vuln/362341 https://vuldb.com/vuln/362341/cti