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Vulnerabilities

CVE-2026-7473

Critical 🇺🇸 CISA KEV
Published: Jun 9, 2026  ·  Source: CISA_KEV
CVSS v3
9.8
🔗 NVD Official
📄 Description (English)

Arista Extensible Operating System — CVE-2026-7473
Arista Extensible Operating System (EOS) contains an incomplete comparison with missing factors vulnerability when the switch incorrectly decapsulate and forwards other unexpected tunneled packet with a destination IP matching its configured decapsulation IP.

Required Action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Due Date: 2026-06-23

🤖 AI Executive Summary

Arista EOS contains an incomplete comparison vulnerability allowing incorrect decapsulation and forwarding of tunneled packets when destination IP matches configured decapsulation IP. This critical flaw (CVSS 9.8) could enable unauthorized packet manipulation and network traffic interception in affected infrastructure.

📄 Description (Arabic)

ثغرة في نظام Arista EOS تتعلق بمقارنة غير مكتملة في آلية فك تغليف الحزم النفقية. عندما تتطابق عنوان IP الوجهة مع عنوان IP المكون لفك التغليف، قد يتم فك التغليف وإعادة توجيه الحزم بشكل غير صحيح. هذا قد يسمح بالوصول غير المصرح به وتعديل حركة المرور في البنية التحتية للشبكة.

🤖 ملخص تنفيذي (AI)

نظام Arista EOS يحتوي على ثغرة في المقارنة غير المكتملة تسمح بفك التغليف غير الصحيح وإعادة توجيه الحزم النفقية عند تطابق IP الوجهة مع IP فك التغليف المكون. هذا العيب الحرج (CVSS 9.8) قد يمكّن من التلاعب غير المصرح به بحركة المرور والاعتراض.

🤖 AI Intelligence Analysis Analyzed: Jun 10, 2026 02:00
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: high
🏢 Affected Saudi Sectors
telecom energy government banking healthcare
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
10.0
/ 10.0
🔧 Remediation Steps (English)
Apply vendor-provided security patches immediately. Implement network segmentation to restrict tunnel traffic. Monitor decapsulation operations for anomalous packet forwarding. Review and validate tunnel configuration policies. Disable unnecessary tunneling protocols if not required. Follow CISA BOD 22-01 guidance for cloud services. Discontinue use if mitigations are unavailable.
🔧 خطوات المعالجة (العربية)
طبق تصحيحات الأمان المقدمة من البائع فوراً. طبق تقسيم الشبكة لتقييد حركة النفق. راقب عمليات فك التغليف للكشف عن إعادة توجيه الحزم الشاذة. راجع وتحقق من سياسات تكوين النفق. عطّل بروتوكولات النفق غير الضرورية إن لم تكن مطلوبة. اتبع إرشادات CISA BOD 22-01 للخدمات السحابية.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC-1.1 ECC-2.1 ECC-3.1
🔵 SAMA CSF
ID.BE-1 PR.DS-1 PR.DS-2 DE.CM-1
🟡 ISO 27001:2022
A.12.6.1 A.13.1.1 A.14.2.1
🔗 References & Sources 0
No references.
📊 CVSS Score
9.8
/ 10.0 — Critical
📋 Quick Facts
Severity Critical
CVSS Score9.8
EPSS0.03%
Exploit No
Patch ✗ No
CISA KEV🇺🇸 Yes
Published 2026-06-09
Source Feed cisa_kev
Views 1
🇸🇦 Saudi Risk Score
10.0
/ 10.0 — Saudi Risk
Priority: CRITICAL
🏷️ Tags
kev cisa exploit-known
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