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Vulnerabilities

CVE-2025-40833

High
CWE-476 — Weakness Type
Published: May 12, 2026  ·  Modified: May 19, 2026  ·  Source: NVD
CVSS v3
7.5
🔗 NVD Official
📄 Description (English)

The affected devices contain a null pointer dereference vulnerability while processing specially crafted IPv4 requests. This could allow an attacker to cause denial of service condition. A manual restart is required to recover the system.

🤖 AI Executive Summary

CVE-2025-40833 is a null pointer dereference vulnerability in network devices that processes IPv4 requests, allowing attackers to cause denial of service. Manual system restart is required for recovery.

📄 Description (Arabic)

تحتوي الأجهزة المتأثرة على ثغرة إلغاء مؤشر فارغ عند معالجة طلبات IPv4 المصممة خصيصاً. يمكن للمهاجمين استغلال هذه الثغرة لإحداث حالة رفض الخدمة. يتطلب التعافي من هذا الهجوم إعادة تشغيل يدوية للنظام.

🤖 ملخص تنفيذي (AI)

This vulnerability affects network devices processing IPv4 requests and can be exploited to cause service disruption through specially crafted packets. System recovery requires manual intervention and restart.

🤖 AI Intelligence Analysis Analyzed: May 15, 2026 01:16
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: high
🏢 Affected Saudi Sectors
telecom energy government banking healthcare
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
7.0
/ 10.0
🔧 Remediation Steps (English)
Apply manufacturer security patches immediately, implement network segmentation to restrict IPv4 traffic sources, deploy intrusion detection systems to monitor for malicious IPv4 packets, and establish incident response procedures for rapid system restart and recovery.
🔧 خطوات المعالجة (العربية)
تطبيق تصحيحات الأمان من المصنع فوراً، تنفيذ تقسيم الشبكة لتقييد مصادر حركة IPv4، نشر أنظمة كشف التسلل لمراقبة الحزم الضارة، وإنشاء إجراءات الاستجابة السريعة لإعادة تشغيل النظام.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
2.1 2.2 4.1
🔵 SAMA CSF
ID.BE-5 PR.PT-1 DE.CM-1
🟡 ISO 27001:2022
A.12.2.1 A.12.6.1 A.13.1.1
📊 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-476
EPSS0.04%
Exploit No
Patch ✗ No
Published 2026-05-12
Source Feed nvd
🇸🇦 Saudi Risk Score
7.0
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
CWE-476
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