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Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software TCP DNS Denial of Service Vulnerability

🗓️ 16 Sep 2026 16:00:00Reported by CiscoType 
cisco
 cisco
🔗 tools.cisco.com👁 4 Views

Cisco Secure Firewall ASA and FTD unauthenticated remote DoS via crafted DNS over TCP reply.

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Detection
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-20248
16 Sep 202623:12
circl
cve
CVE
CVE-2026-20248
16 Sep 202620:17
cve
cvelist
Cvelist
CVE-2026-20248 Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software TCP DNS Denial of Service Vulnerability
16 Sep 202620:17
cvelist
euvd
EUVD
EUVD-2026-81143
16 Sep 202620:17
euvd
nvd
NVD
CVE-2026-20248
16 Sep 202621:17
nvd
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