CVE-2026-8188

Wavlink NU516U1 adm.cgi change_wifi_password os command injection

CVSS 5.3 MEDIUMEPSS 5.5%CWE-77 CWE-78

Vexday Risk Score

33Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

CVSS 5.3EPSS 5.5%KEV nãoPoC públicaPatch —

Lifecycle

09 May 2026Published on NVD

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

A vulnerability has been found in Wavlink NU516U1 M16U1_V240425. Affected is the function change_wifi_password of the file /cgi-bin/adm.cgi. The manipulation of the argument wl_channel/wl_Pass/EncrypType leads to os command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may 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_1/1.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_1/1.md https://vuldb.com/submit/800727 https://vuldb.com/vuln/362340 https://vuldb.com/vuln/362340/cti