Cisco security advisory (AV26-932)
Cisco September 2026 updates fix flaws in ASA, FTD, FMC, ISE, and Nexus Dashboard; CISA added actively exploited CVE-2026-76460 to KEV.
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Product
Cisco Secure Firewall Threat Defense
- Mentions · 7d0
- Mentions · 30d0
- All mentions9
- First seenSep 9, 2026
- Last mentionedSep 17, 2026
Timeline
9 articles · newest firstCisco Fixes Dozens of Flaws Across FMC, ISE and Nexus Dashboard
Cisco patches dozens of critical flaws in FMC, ISE and Nexus Dashboard, including ISE bugs and an authentication bypass already exploited in the wild.
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Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software for Secure Firewall 3100 and 4200 Series DTLS Denial of Service Vulnerability
Cisco patched a DTLS flaw in ASA and FTD software for Secure Firewall 3100/4200 series letting unauthenticated attackers trigger device reloads.
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Cisco Secure Firewall Management Center and Secure Firewall Threat Defense Software sftunnel Vulnerabilities
Cisco fixed sftunnel flaws in Secure Firewall Management Center and Threat Defense allowing unauthenticated authentication bypass or denial of service.
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Cisco Secure Firewall Threat Defense Software TLS 1.3 Denial of Service Vulnerability
A TLS 1.3 buffer management flaw in Cisco Secure Firewall Threat Defense lets remote attackers crash the LINA process and reload devices.
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Cisco Secure Firewall Adaptive Security Appliance, Secure Firewall Threat Defense, and Secure Firewall Management Center Software Hardening Release: September 2026
Cisco's September 2026 firewall hardening release fixes internally found ASA, FTD, and FMC flaws, two of which are actively exploited.
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Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software TCP DNS Denial of Service Vulnerability
Cisco disclosed a TCP DNS flaw in ASA and FTD firewall software letting unauthenticated remote attackers trigger device reloads and denial of service.
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Cisco Secure Firewall Threat Defense Software Snort 2 SSL/TLS Denial of Service Vulnerability
Cisco fixed an SSL certificate parsing flaw in FTD's Snort 2 engine letting unauthenticated remote attackers force detection engine restarts.
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Cisco Advance Notification for Publication of September 16, 2026, Security Advisories
Cisco will publish security advisories with fixed software on September 16, 2026, covering BroadWorks, ISE, Nexus Dashboard, ASA, FMC, FTD and ThousandEyes.
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Related CVEs
by mentions- CVE-2026-2007989%10.0Authentication bypass to root access in Cisco Secure Firewall Management Center
- CVE-2026-7646076%10.0Unauthenticated Management Interface Bypass in Cisco ISE and ISE-PIC
- CVE-2026-2031635%5.3Hard-Coded Password Vulnerability in Cisco Secure Firewall Management Center
- Improper Access Control in Cisco ASA, FTD, and Firewall Management Center
- Authenticated SQL Injection in Cisco ISE SXP REST API
- Authenticated OS command injection (RCE) in Cisco ISE IPsec Open API
- Authenticated OS Write-Access Flaw in Cisco Identity Services Engine
Appears with
- Ciscovendor · 9
- Cisco Secure Firewall Management Centerproduct · 5
- Ciscoorganization · 3
- Cisco Identity Services Engineproduct · 3
- Cisco Nexus Dashboardproduct · 3
- Cisco Secure Firewall ASAproduct · 2
- Cisco Secure Firewall Adaptive Security Applianceproduct · 2
- Cisco PSIRTorganization · 2
- Cisco ASAproduct · 1
- ThousandEyesproduct · 1
- Cisco Secure Firewall 3100 Seriesproduct · 1
- Snort 2product · 1
- CISAvendor · 1
- Cisco Adaptive Security Applianceproduct · 1
- Canadian Centre for Cyber Securityvendor · 1
- Cisco BroadWorksproduct · 1
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