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Wavlink NU516U1 CVE-2026-8188

| EUVD-2026-28915 LOW
OS Command Injection (CWE-78)
2026-05-09 VulDB GHSA-jcpm-gq2p-99p9
Command Injection
2.1
CVSS 4.0

CVSS VectorNVD

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

4
Severity Changed
May 09, 2026 - 16:22 NVD
MEDIUM LOW
CVSS changed
May 09, 2026 - 16:22 NVD
6.3 (MEDIUM) 2.1 (LOW)
Analysis Generated
May 09, 2026 - 16:00 vuln.today
CVE Published
May 09, 2026 - 15:15 nvd
MEDIUM 6.3

DescriptionNVD

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.

AnalysisAI

OS command injection in Wavlink NU516U1 M16U1_V240425 allows authenticated remote attackers to execute arbitrary commands via the change_wifi_password function in /cgi-bin/adm.cgi by manipulating the wl_channel, wl_Pass, or EncrypType parameters. Publicly available exploit code exists, and the vendor has been notified of the vulnerability.

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CVE-2026-8188 vulnerability details – vuln.today
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