📧 info@ciso.sa | 📱 +966550939344 | Riyadh, Kingdom of Saudi Arabia
🔧 Scheduled Maintenance — Saturday 2:00-4:00 AM AST. Some features may be temporarily unavailable.    ●   
💎
Pro Plan 50% Off Unlock all AI features, unlimited reports, and priority support. Upgrade
Search Center
ESC to close
Global vulnerability Artificial Intelligence and Technology HIGH 17m Global general Technology and Artificial Intelligence MEDIUM 3h Global general Technology and Artificial Intelligence HIGH 4h Global vulnerability Higher Education CRITICAL 13h Global data_breach Government HIGH 14h Global supply_chain Software Development and Open Source Communities CRITICAL 14h Global malware Software Development CRITICAL 14h Global phishing Multiple Sectors HIGH 15h Global vulnerability Web Applications CRITICAL 15h Global apt Critical Infrastructure CRITICAL 16h Global vulnerability Artificial Intelligence and Technology HIGH 17m Global general Technology and Artificial Intelligence MEDIUM 3h Global general Technology and Artificial Intelligence HIGH 4h Global vulnerability Higher Education CRITICAL 13h Global data_breach Government HIGH 14h Global supply_chain Software Development and Open Source Communities CRITICAL 14h Global malware Software Development CRITICAL 14h Global phishing Multiple Sectors HIGH 15h Global vulnerability Web Applications CRITICAL 15h Global apt Critical Infrastructure CRITICAL 16h Global vulnerability Artificial Intelligence and Technology HIGH 17m Global general Technology and Artificial Intelligence MEDIUM 3h Global general Technology and Artificial Intelligence HIGH 4h Global vulnerability Higher Education CRITICAL 13h Global data_breach Government HIGH 14h Global supply_chain Software Development and Open Source Communities CRITICAL 14h Global malware Software Development CRITICAL 14h Global phishing Multiple Sectors HIGH 15h Global vulnerability Web Applications CRITICAL 15h Global apt Critical Infrastructure CRITICAL 16h
Vulnerabilities

CVE-2026-3622

High
The vulnerability exists in the UPnP component of TL-WR841N v14, where improper input validation leads to an out-of-bounds read, potentially causing a crash of the UPnP service. Successful exploita
CWE-125 — Weakness Type
Published: Mar 26, 2026  ·  Modified: Apr 2, 2026  ·  Source: NVD
CVSS v3
7.5
🔗 NVD Official
📄 Description (English)

The vulnerability exists in the UPnP component of TL-WR841N v14, where improper input validation leads to an out-of-bounds read, potentially causing a crash of the UPnP service.

Successful exploitation can cause the UPnP service to crash, resulting in a Denial-of-Service condition. 
This vulnerability affects TL-WR841N v14 < EN_0.9.1 4.19 Build 260303 Rel.42399n (V14_260303) and < US_0.9.1.4.19 Build 260312 Rel. 49108n (V14_0304).

🤖 AI Executive Summary

CVE-2026-3622 is an out-of-bounds read vulnerability in TP-Link TL-WR841N v14 UPnP component caused by improper input validation, allowing attackers to crash the UPnP service. Exploitation results in denial-of-service conditions affecting network connectivity for affected devices.

📄 Description (Arabic)

تتعلق الثغرة بمكون UPnP في جهاز التوجيه TP-Link TL-WR841N الإصدار 14، حيث يؤدي عدم التحقق الكافي من صحة المدخلات إلى قراءة البيانات خارج حدود الذاكرة المخصصة. يمكن للمهاجمين استغلال هذه الثغرة لإرسال طلبات UPnP معيبة تسبب تعطل الخدمة وانقطاع الاتصال بالشبكة.

🤖 ملخص تنفيذي (AI)

هذا الثغرة عبارة عن قراءة خارج الحدود في مكون UPnP لجهاز TP-Link TL-WR841N v14 ناتجة عن التحقق غير الكافي من المدخلات. يمكن للمهاجمين استغلالها لإيقاف خدمة UPnP وتعطيل الاتصال بالشبكة.

🤖 AI Intelligence Analysis Analyzed: May 2, 2026 23:17
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: high
🏢 Affected Saudi Sectors
telecom government
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
7.0
/ 10.0
🔧 Remediation Steps (English)
Update affected TP-Link TL-WR841N v14 devices immediately to firmware version EN_0.9.1 4.19 Build 260303 Rel.42399n (V14_260303) or later for EN models, and US_0.9.1.4.19 Build 260312 Rel.49108n (V14_0304) or later for US models. Disable UPnP if not required and implement network segmentation to restrict UPnP traffic.
🔧 خطوات المعالجة (العربية)
قم بتحديث أجهزة TP-Link TL-WR841N v14 المتأثرة فوراً إلى إصدار البرنامج الثابت الموصى به. عطّل خدمة UPnP إذا لم تكن مطلوبة وطبّق تقسيم الشبكة لتقييد حركة UPnP.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
2.1.1 2.2.1
🔵 SAMA CSF
ID.RA-1 PR.IP-1
🟡 ISO 27001:2022
A.12.6.1 A.14.2.1
📦 Affected Products / CPE 1 entries
tp-link:tl-wr841n_firmware
📊 CVSS Score
7.5
/ 10.0 — High
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredN — None / Network
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityN — None / Network
IntegrityN — None / Network
AvailabilityH — High
📋 Quick Facts
Severity High
CVSS Score7.5
CWECWE-125
EPSS0.05%
Exploit No
Patch ✗ No
Published 2026-03-26
Source Feed nvd
Views 4
🇸🇦 Saudi Risk Score
7.0
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
CWE-125
Share this CVE

💬 Comments

0
Loading comments
📣 Found this valuable?
Share it with your cybersecurity network
in LinkedIn 𝕏 X / Twitter 💬 WhatsApp ✈ Telegram
🍪 Privacy Preferences
CISO Consulting — Compliant with Saudi Personal Data Protection Law (PDPL)
We use cookies and similar technologies to provide the best experience on our platform. You can choose which types you accept.
🔒
Essential Always On
Required for the website to function properly. Cannot be disabled.
📋 Sessions, CSRF tokens, authentication, language preferences
📊
Analytics
Help us understand how visitors use the site and improve performance.
📋 Page views, session duration, traffic sources, performance metrics
⚙️
Functional
Enable enhanced features like content personalization and preferences.
📋 Dark/light theme, font size, custom dashboards, saved filters
📣
Marketing
Used to deliver content and ads relevant to your interests.
📋 Campaign tracking, retargeting, social media analytics
Privacy Policy →
CISO AI Assistant
Ask anything · Documents · Support
🔐

Introduce Yourself

Enter your details to access the full assistant

Your info is private and never shared
💬
CyberAssist
Online · responds in seconds
5 / 5
🔐 Verify Your Identity

Enter your email to receive a verification code before submitting a support request.

Enter to send · / for commands 0 / 2000
CISO AI · Powered by Anthropic Claude
✦ Quick Survey Help Us Improve CISO Consulting Your feedback shapes the future of our platform — takes less than 2 minutes.
⚠ Please answer this question to continue

How would you rate your overall experience with our platform?

Rate from 1 (poor) to 5 (excellent)

🎉
Thank you!
Your response has been recorded.