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Vulnerabilities

CVE-2025-20352

Critical 🇺🇸 CISA KEV ⚡ Exploit Available
Cisco IOS/IOS XE SNMP Stack Buffer Overflow - RCE/DoS
Published: Sep 29, 2025  ·  Source: CISA_KEV
CVSS v3
9.0
🔗 NVD Official
📄 Description (English)

Cisco IOS and IOS XE Software SNMP Denial of Service and Remote Code Execution Vulnerability — Cisco IOS and IOS XE contains a stack-based buffer overflow vulnerability in the Simple Network Management Protocol (SNMP) subsystem that could allow for denial of service or remote code execution. A successful exploit could allow a low-privileged attacker to cause the affected system to reload, resulting in a DoS condition, or allow a high-privileged attacker to execute arbitrary code as the root user and obtain full control of the affected system.

🤖 AI Executive Summary

Cisco IOS and IOS XE contain a critical stack-based buffer overflow in SNMP that enables denial of service or remote code execution. Low-privileged attackers can crash systems while high-privileged attackers can achieve root-level code execution.

📄 Description (Arabic)

تحتوي أنظمة Cisco IOS و IOS XE على ثغرة تجاوز مخزن مؤقت قائمة على المكدس في نظام SNMP تسمح بحجب الخدمة أو تنفيذ أكواد بعيدة. يمكن للمهاجمين ذوي الامتيازات المنخفضة إعادة تشغيل الأنظمة المتأثرة بينما يمكن للمهاجمين ذوي الامتيازات العالية الحصول على تحكم كامل بالنظام.

🤖 ملخص تنفيذي (AI)

Cisco IOS و IOS XE تحتوي على ثغرة حرجة في بروتوكول SNMP تسمح بحجب الخدمة أو تنفيذ أكواد بعيدة. المهاجمون ذوو الامتيازات المنخفضة يمكنهم إيقاف الأنظمة بينما يمكن للمهاجمين ذوي الامتيازات العالية تنفيذ أكواد بصلاحيات الجذر.

🤖 AI Intelligence Analysis Analyzed: Apr 16, 2026 03:54
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: high
🏢 Affected Saudi Sectors
telecom government banking energy healthcare
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
9.0
/ 10.0
🔧 Remediation Steps (English)
Immediately apply Cisco security patches for affected IOS and IOS XE versions. Disable SNMP if not required. Implement network segmentation to restrict SNMP access to trusted management networks only. Monitor for suspicious SNMP traffic patterns and implement rate limiting on SNMP requests.
🔧 خطوات المعالجة (العربية)
طبق فوراً تحديثات أمان Cisco للإصدارات المتأثرة. عطّل SNMP إذا لم يكن مطلوباً. طبق تقسيم الشبكة لتقييد وصول SNMP للشبكات الموثوقة فقط. راقب أنماط حركة SNMP المريبة وطبق تحديد معدل على طلبات SNMP.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
2.1 2.2 3.1 4.1
🔵 SAMA CSF
ID.BE-1 PR.AC-1 PR.PT-1 DE.CM-1
🟡 ISO 27001:2022
A.12.6.1 A.14.2.1 A.13.1.1
🔗 References & Sources 0
No references.
📦 Affected Products / CPE 1 entries
Cisco:IOS and IOS XE
📊 CVSS Score
9.0
/ 10.0 — Critical
📋 Quick Facts
Severity Critical
CVSS Score9.0
EPSS1.86%
Exploit ✓ Yes
Patch ✓ Yes
CISA KEV🇺🇸 Yes
KEV Due Date2025-10-20
Published 2025-09-29
Source Feed cisa_kev
Views 2
🇸🇦 Saudi Risk Score
9.0
/ 10.0 — Saudi Risk
Priority: CRITICAL
🏷️ Tags
kev actively-exploited
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