Vulnerabilities & Exploits · DDoS
ASA and FTD OSPF Flaws Can Cause Device Reloads
Attacks can disrupt routing availability and downstream services.
5 sources · Mar 5
CVEs in this update
6 CVEs
Across Cisco Secure Firewall Adaptive Security Appliance (ASA) Software, Cisco Secure Firewall Threat Defense (FTD) Software.
0 critical · 0 high · 6 medium · 0 low
0 in CISA KEV · 0 with EPSS above 1%
Highest severity: CVE-2026-20020 · 6.8 MEDIUM
Timeline
Sources
Help Net Security
Cisco warns of SD-WAN Manager exploitation, fixes 48 firewall vulnerabilities - Help Net Security
Two Cisco Catalyst SD-WAN Manager vulnerabilities (CVE-2026-20128, CVE-2026-20122) patched in late February 2025 are being exploited.
original Infosecurity Magazine
Cisco Issues Patches for 48 Vulnerabilities
Two of the 48 Cisco vulnerabilities, affecting Secure Firewall Management Center, are maximum-severity flaws
original SecurityWeek
Cisco Patches Critical Vulnerabilities in Enterprise Networking Products
Cisco has rolled out patches for 48 vulnerabilities in Firewall ASA, Secure FMC, and Secure FTD products.
original
Vendor digest: Cisco
Part of the PlainSec briefing for 2026-03-05
Every edition of this story: ASA and FTD OSPF Flaws Can Cause Device Reloads
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