Is there a public PoC exploit available for CVE-2026-8189?

Yes, a public proof-of-concept exploit is available for CVE-2026-8189. Prioritise patching immediately. EPSS: 0.8%.

Wavlink NU516U1 CVE-2026-8189

Q: What is the CVSS score of CVE-2026-8189?

CVE-2026-8189 has a CVSS 4.0 base score of 2.1 (Low). CVSS vector: 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. EPSS exploitation probability: 0.8%.

EUVD-2026-28916 LOW

OS Command Injection (CWE-78)

2026-05-09 VulDB

GHSA-2hvf-6vwf-3fjq

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

Lifecycle Timeline

Severity Changed

May 09, 2026 - 17:22 NVD

MEDIUM LOW

CVSS changed

May 09, 2026 - 17:22 NVD

6.3 (MEDIUM) 2.1 (LOW)

Analysis Generated

May 09, 2026 - 17:00 vuln.today

CVE Published

May 09, 2026 - 16:15 nvd

MEDIUM 6.3

DescriptionNVD

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.

AnalysisAI

Remote authenticated command injection in Wavlink NU516U1 M16U1_V240425 allows authenticated attackers to execute arbitrary OS commands via manipulation of wlan_bssid, sel_Automode, or sel_EncrypTyp parameters in the wzdrepeater function at /cgi-bin/adm.cgi. CVSS 6.3 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P) with public exploit code available; vendor was notified early of this disclosure.

Analysis

Detailed AI-generated intelligence summary covering attack vector, impact assessment, affected versions, remediation steps, and indicators of compromise.

POChttps://••••••••••.com/exploit

PATCHhttps://••••••••••.com/patch

ADVISORYhttps://••••••••••.com/advisory

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CVE-2026-8189 vulnerability details – vuln.today

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