CVE-2026-8228

Wavlink NU516U1 wireless.cgi advance 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

10 May 2026Published on NVD

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

A security vulnerability has been detected in Wavlink NU516U1 240425. Impacted is the function advance of the file /cgi-bin/wireless.cgi. Such manipulation of the argument wlan_conf/Channel/skiplist/ieee_80211h leads to os command injection. The attack may be launched remotely. The exploit has been disclosed publicly 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_7/7.mdunverified

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

Want to know if your infrastructure is exposed to this?

Talk to TrueHacking →

References

https://github.com/wudipjq/my_vuln/blob/main/Wavlink/vuln_7/7.md https://vuldb.com/submit/800733 https://vuldb.com/vuln/362445 https://vuldb.com/vuln/362445/cti