Cisco Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) contain a heap inspection vulnerability that could…
Cisco Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) contain a heap inspection vulnerability that could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition.
Read at NIST National Vulnerability Database (CVE API 2.0)
- Vendor
- Cisco
- Product
- asa, ftd
- CVSS
- 8.6
- CISA KEV
- listed
- Exploitation
- observed in the wild
- Fix
- available
- Exposure class
- Edge / VPN / firewall
Why it ranks 85 (Critical)
- CISA KEV listed
- CVSS 8.6 high
- Exposed product class: edge / VPN / firewall
- Widely deployed vendor product (Cisco)
- Covered by 3 independent sources
- Fix available
- Recency: items published within 24 hours gain 15, within 72 hours 6, within 7 days 2.
Links
- NIST National Vulnerability Database (CVE API 2.0) (nvd.nist.gov)
- CVE-2026-20349 on this site · NVD · CVE.org · Vulnpedia · KEV
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