Skip to contentCisco Ios vulnerabilities
- cisco ios xr softwareCisco IOS XR Software for ASR 9000 Series Routers IPv4 Unicast Packets Denial of Service VulnerabilityCVE-2026-765057.5 High
- cisco ios xr softwareCisco IOS XR Software Security Hardening Release: September 2026CVE-2026-202788.8 High
- cisco ios xr software, ios xr +1 moreCisco IOS XR Software Security Hardening Release: September 2026CVE-2026-202808.8 High
- cisco ios xr softwareCisco IOS XR Software Security Hardening Release: September 2026CVE-2026-202799.8 Critical
- cisco ios xr softwareCisco IOS XR Software Security Hardening Release: September 2026CVE-2026-202758.8 High
- cisco ios xr software, ios xr +1 moreCisco IOS XR Software Security Hardening Release: September 2026CVE-2026-202749.8 Critical
- cisco ios xr software, ios xr +1 moreCisco IOS XR Software Security Hardening Release: September 2026CVE-2026-202768.6 High
- cisco ios xr softwareCisco IOS XR Software Security Hardening Release: September 2026CVE-2026-202778.2 High
- cisco ios xe softwareCisco IOS XE Software Web UI Denial of Service VulnerabilityCVE-2026-203116.3 Medium
- cisco ios xe software, ios, ios xe +2 moreCisco IOS Software and IOS XE Software Extensible Messaging Client Protocol Denial of Service VulnerabilityCVE-2026-203018.6 High
- cisco ios xe softwareCisco IOS XE Software Web-Based Management Interface VulnerabilityCVE-2026-203084.3 Medium
- cisco ios xe software, ios xe +1 moreCisco IOS XE Software Security Hardening ReleaseCVE-2026-202738.6 High
- cisco ios xe software, ios xe +1 moreCisco IOS XE Software Security Hardening ReleaseCVE-2026-202729.8 Critical
- cisco ios xe software, ios xe +1 moreCisco IOS XE Software Security Hardening ReleaseCVE-2026-202718.6 High
- cisco ios xe software, ios xe +1 moreCisco IOS XE Software Security Hardening ReleaseCVE-2026-202708.6 High
- cisco ios xe software, ios xe +1 moreCisco IOS XE Software Security Hardening ReleaseCVE-2026-202698.6 High
- cisco ios xe software, ios xe +1 moreCisco IOS XE Software Security Hardening ReleaseCVE-2026-202688.6 High
- cisco ios xe software, ios xe +1 moreCisco IOS XE Software Security Hardening ReleaseCVE-2026-202679.0 Critical
- cisco ios xe software, ios xe +1 moreCisco IOS XE Software Blocks Extensible Exchange Protocol Denial of Service VulnerabilityCVE-2026-202638.6 High
- cisco ios xe software, ios xe +1 moreCisco IOS XE Software SNMP Denial of Service VulnerabilityCVE-2026-201247.7 High
- cisco ios xe softwareA vulnerability in the web-based Cisco IOx application hosting environment management interface...CVE-2026-201124.8 Medium
- cisco ios xe softwareA vulnerability in the web-based Cisco IOx application hosting environment management interface...CVE-2026-201135.3 Medium
- cisco ios xe softwareA vulnerability in the Lobby Ambassador web-based management API of Cisco IOS XE Software could...CVE-2026-201145.4 Medium
- cisco ios xe softwareA vulnerability in Cisco IOS XE Software for Cisco Meraki could allow a remote, unauthenticated...CVE-2026-201156.1 Medium
- cisco ios xe softwareA vulnerability in the Secure Copy Protocol (SCP) server feature of Cisco IOS XE Software could...CVE-2026-200836.5 Medium
- cisco ios xe softwareA vulnerability in the CLI of Cisco IOS XE Software could allow an authenticated, local attacker...CVE-2026-201106.5 Medium
- cisco ios xe software, ios xe +1 moreA vulnerability in the bootloader of Cisco IOS XE Software for Cisco Catalyst 9200 Series...CVE-2026-201046.1 Medium
- cisco ios xe software, ios xe +1 moreA vulnerability in the TLS library of Cisco IOS XE Software could allow an unauthenticated,...CVE-2026-200047.4 High
- cisco ios xe software, ios +1 moreA vulnerability in the HTTP Server feature of Cisco IOS Software and Cisco IOS XE Software...CVE-2026-201257.7 High
- cisco ios xe software, secure firewall adaptive security appliance (asa) software, secure firewall threat defense (ftd) software +4 more +6 moreA vulnerability in the Internet Key Exchange version 2 (IKEv2) feature of Cisco IOS Software,...CVE-2026-200128.6 High
- cisco ios xe softwareA vulnerability in the processing of Control and Provisioning of Wireless Access Points (CAPWAP)...CVE-2026-200868.6 High
- cisco ios xe software, ios xe +1 moreA vulnerability in the DHCP snooping feature of Cisco IOS XE Software could allow an...CVE-2026-200848.6 High
- cisco ios xr softwareCisco IOS-XR NCS 5500 and NCS 5700 Egress Packet Network Interfaces Aligner Interrupt Denial of Service VulnerabilityCVE-2026-201186.8 Medium
- cisco ios xr software, ios xr +1 moreCisco IOS XR Software CLI Privilege Escalation VulnerabilityCVE-2026-200468.8 High
- cisco ios xr software, ios xr +1 moreCisco IOS XR Software Multi-Instance Intermediate System-to-Intermediate System Denial of Service VulnerabilityCVE-2026-200747.4 High
- cisco ios xr software, ios xr +1 moreCisco IOS XR Software CLI Privilege Escalation VulnerabilityCVE-2026-200408.8 High
- cisco adaptive security appliance (asa) software, ios xe software, ios xr software +6 more +8 moreA vulnerability in the web services of Cisco Secure Firewall Adaptive Security Appliance (ASA)...CVE-2025-203639.0 Critical
- cisco ios xe softwareA vulnerability in Cisco IOS XE Software could allow an authenticated, local attacker with level...CVE-2025-203146.7 Medium
- cisco ios xe softwareA vulnerability in the access control list (ACL) programming of Cisco IOS XE Software for Cisco...CVE-2025-203165.3 Medium
- cisco ios xe softwareA vulnerability in the Day One setup process of Cisco IOS XE Software for Catalyst 9800 Series...CVE-2025-202935.3 Medium
- cisco ios xe software, ios xe +1 moreA vulnerability in the CLI of Cisco IOS XE Software could allow an authenticated, local attacker...CVE-2025-203386.0 Medium
- cisco ios xe softwareA vulnerability in the web UI of Cisco IOS XE Software could allow an unauthenticated, remote...CVE-2025-202406.1 Medium
- cisco ios xe software, ios, ios xe +2 moreA vulnerability in the CLI of Cisco IOS Software and Cisco IOS XE Software could allow an...CVE-2025-201496.5 Medium
- cisco ios xe software, ios xe +1 moreMultiple vulnerabilities in Cisco IOS XE Software of could allow an authenticated, local attacker...CVE-2025-203136.7 Medium
- cisco ios xe software, ios xe +1 moreA vulnerability in the handling of certain Ethernet frames in Cisco IOS XE Software for Catalyst...CVE-2025-203117.4 High
- cisco ios xe software, ios xe +1 moreA vulnerability in the Simple Network Management Protocol (SNMP) subsystem of Cisco IOS XE...CVE-2025-203127.7 High
- cisco ios xe software, ios, ios xe +3 more +5 moreA vulnerability in the Simple Network Management Protocol (SNMP) subsystem of Cisco IOS Software...CVE-2025-20352In KEVPublic exploitEPSS 40.6%7.7 High
- cisco ios xe software, ios, ios xe +2 moreA vulnerability in the implementation of the TACACS+ protocol in Cisco IOS Software and Cisco IOS...CVE-2025-201608.1 High
- cisco ios xe software, ios xe +1 moreA vulnerability in the Network-Based Application Recognition (NBAR) feature of Cisco IOS XE...CVE-2025-203158.6 High
- cisco ios xe softwareA vulnerability in the HTTP API subsystem of Cisco IOS XE Software could allow a remote attacker...CVE-2025-203348.8 High
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