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Vulnerabilities

CVE-2026-8189

Medium
CWE-77 — Weakness Type
Published: May 9, 2026  ·  Modified: May 12, 2026  ·  Source: NVD
CVSS v3
6.3
🔗 NVD Official
📄 Description (English)

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.

🤖 AI Executive Summary

A command injection vulnerability exists in Wavlink NU516U1 routers through the /cgi-bin/adm.cgi endpoint, allowing remote attackers to execute arbitrary OS commands via manipulated WLAN parameters. The vulnerability affects firmware version M16U1_V240425 and has been publicly disclosed.

📄 Description (Arabic)

تم اكتشاف ثغرة حقن أوامر نظام التشغيل في جهاز توجيه Wavlink NU516U1 من خلال دالة wzdrepeater في ملف /cgi-bin/adm.cgi. يمكن للمهاجمين البعيدين استغلال هذه الثغرة بمعالجة معاملات wlan_bssid أو sel_Automode أو sel_EncrypTyp لتنفيذ أوامر تعسفية على النظام.

🤖 ملخص تنفيذي (AI)

ثغرة حقن أوامر في أجهزة توجيه Wavlink NU516U1 تسمح للمهاجمين البعيدين بتنفيذ أوامر نظام تعسفية عبر معاملات WLAN معدلة. تؤثر الثغرة على إصدار البرنامج الثابت M16U1_V240425 وتم الكشف عنها علناً.

🤖 AI Intelligence Analysis Analyzed: May 17, 2026 13:33
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: high
🏢 Affected Saudi Sectors
telecom government banking
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
7.0
/ 10.0
🔧 Remediation Steps (English)
Update Wavlink NU516U1 firmware to the latest patched version immediately. Restrict access to the /cgi-bin/adm.cgi endpoint using firewall rules and network segmentation. Disable remote management features if not required. Monitor for suspicious command execution patterns in router logs.
🔧 خطوات المعالجة (العربية)
قم بتحديث البرنامج الثابت لـ Wavlink NU516U1 إلى أحدث إصدار معدل فوراً. قيد الوصول إلى نقطة /cgi-bin/adm.cgi باستخدام قواعد جدار الحماية وتقسيم الشبكة. عطل ميزات الإدارة البعيدة إذا لم تكن مطلوبة. راقب أنماط تنفيذ الأوامر المريبة في سجلات جهاز التوجيه.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
5.1 5.2 5.3
🔵 SAMA CSF
ID.AM-2 PR.AC-1 PR.DS-2
🟡 ISO 27001:2022
A.12.6.1 A.14.2.1 A.18.1.3
📊 CVSS Score
6.3
/ 10.0 — Medium
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredL — Low / Local
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityL — Low / Local
IntegrityL — Low / Local
AvailabilityL — Low / Local
📋 Quick Facts
Severity Medium
CVSS Score6.3
CWECWE-77
EPSS0.35%
Exploit No
Patch ✗ No
Published 2026-05-09
Source Feed nvd
Views 1
🇸🇦 Saudi Risk Score
7.0
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
CWE-77
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