CVE-2026-20349: Someone Is Crashing Cisco Firewalls. We Need to Talk About Why.
An unauthenticated attacker can crash any Cisco ASA or FTD with SSL VPN exposed; it’s been confirmed exploited in the wild, and Cisco hasn’t told us who or why. Attackers Can Force Your Firewall To Reboot If you run a Cisco Adaptive Security Appliance or a Firepower Threat Defense device with Remote Access SSL VPN […] The post CVE-2026-20349: Someone Is Crashing Cisco Firewalls. We Need to Talk About Why. appeared first on Eclypsium .
- Vendor
- Cisco
- Product
- ASA, Firepower / FTD
- Exploitation
- observed in the wild
- Exposure class
- Edge / VPN / firewall
Why it ranks 57 (High)
- Exploitation observed in the wild
- Exposed product class: edge / VPN / firewall
- Widely deployed vendor product (Cisco)
- Covered by 5 independent sources
- Threat research
- Recency: items published within 24 hours gain 15, within 72 hours 6, within 7 days 2.
Links
- Eclypsium (eclypsium.com)
- CVE-2026-20349 on this site · NVD · CVE.org · Vulnpedia
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