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Wavlink NU516U1 EUVD-2026-28978

| CVE-2026-8230 LOW
OS Command Injection (CWE-78)
2026-05-10 VulDB GHSA-qv2r-5x2x-f9xv
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 10, 2026 - 05:22 NVD
MEDIUM LOW
CVSS changed
May 10, 2026 - 05:22 NVD
6.3 (MEDIUM) 2.1 (LOW)
Analysis Generated
May 10, 2026 - 05:15 vuln.today
CVE Published
May 10, 2026 - 04:30 nvd
MEDIUM 6.3

DescriptionNVD

A flaw has been found in Wavlink NU516U1 240425. The impacted element is the function sys_login1 of the file /cgi-bin/login.cgi. Executing a manipulation of the argument ipaddr can lead to os command injection. The attack can be executed remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure.

AnalysisAI

OS command injection in Wavlink NU516U1 240425 via the ipaddr parameter in /cgi-bin/login.cgi allows authenticated remote attackers to execute arbitrary system commands with limited impact (confidentiality, integrity, availability). The vulnerability requires valid credentials (PR:L) but can be exploited over the network without user interaction. …

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EUVD-2026-28978 vulnerability details – vuln.today
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