CVE-2026-8189

MEDIUM 6.3

Wavlink NU516U1 adm.cgi wzdrepeater os command injection

CVSS Score

6.3

EPSS Score

0.8%

EPSS Percentile

75th

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.

CWE	CWE-78 CWE-77
Vendor	wavlink
Product	nu516u1
Published	May 9, 2026
Last Updated	May 11, 2026

Stay Ahead of the Next One

Get instant alerts for wavlink nu516u1

Be the first to know when new medium vulnerabilities affecting wavlink nu516u1 are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Wavlink / NU516U1

M16U1_V240425

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/362341 vuldb.com: https://vuldb.com/vuln/362341/cti vuldb.com: https://vuldb.com/submit/800728 github.com: https://github.com/wudipjq/my_vuln/blob/main/Wavlink/vuln_2/2.md

Credits

🔍 Ziyue Xie (VulDB User) VulDB CNA Team