Cisco Open Source Snort3 — Vulnerabilities & Security Advisories 8

All 8 CVE vulnerabilities found in Cisco Open Source Snort3, with AI-generated Chinese analysis, references, and POCs.

Vendor: Cisco

CVE ID	Title	CVSS	Severity	Published
CVE-2026-76524	Open Source Snort 3 Control Channel Socket Aribitrary Command Execution Vulnerability CWE-306	7.8	High	2026-10-21
CVE-2026-76489	Multiple Cisco Products Snort 3 Generic File Processing Memory Exhaustion Denial of Service Vulnerability CWE-401	5.8	Medium	2026-10-21
CVE-2026-76445	Multiple Cisco Products Snort 3 Denial of Service Vulnerability CWE-835	5.3	Medium	2026-10-21
CVE-2026-20197	Multiple Cisco Products Snort 3 Teredo Protocol Denial of Service Vulnerability CWE-119	5.8	Medium	2026-10-21
CVE-2026-20218	Cisco Secure Firewall Threat Defense Snort 3 Visual Basic for Applications Buffer Overflow Denial of Service Vulnerability CWE-121	5.8	Medium	2026-10-21
CVE-2026-20179	Multiple Cisco Products Snort 3 Generic Routing Encapsulation Denial of Service Vulnerabilities CWE-128	5.8	Medium	2026-10-21
CVE-2026-20019	Multiple Cisco Products Snort 3 Netflow Denial of Service Vulnerabilities CWE-835	5.8	Medium	2026-10-21
CVE-2026-20011	Multiple Cisco Products Snort 3 SMTP MIME Denial of Service Vulnerability CWE-805	5.8	Medium	2026-10-21

All 8 known CVE vulnerabilities affecting Cisco Open Source Snort3 with full Chinese analysis, references, and POCs where available.