The vulnerability of the EIGRP protocol implementation in Cisco Secure Firewall Threat Defense (FTD) and Cisco Secure Firewall Adaptive Security Appliance (ASA) allows attackers to induce service interruptions.
🗓️ 23 Sep 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 4 Views
| Reporter | Title | Published | Views | Family All 8 |
|---|---|---|---|---|
 | CVE-2026-20222 | 17 Sep 202604:45 | – | circl |
 | Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software EIGRP Denial of Service Vulnerability | 16 Sep 202616:00 | – | cisco |
 | CVE-2026-20222 | 16 Sep 202620:12 | – | cve |
 | CVE-2026-20222 Cisco Secure Adaptive Security Appliance Software and Secure Firewall Threat Defense Software EIGRP Denial of Service Vulnerability | 16 Sep 202620:12 | – | cvelist |
 | EUVD-2026-81125 | 16 Sep 202620:12 | – | euvd |
 | CVE-2026-20222 | 16 Sep 202621:17 | – | nvd |
 | CVE-2026-20222: Missing Release of Memory after Effective Lifetime | 16 Sep 202600:00 | – | rapid7 |
 | CVE-2026-20222 Cisco Secure Adaptive Security Appliance Software and Secure Firewall Threat Defense Software EIGRP Denial of Service Vulnerability | 16 Sep 202620:12 | – | vulnrichment |
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23 Sep 2026 00:00Current
6.5Medium risk
Vulners AI Score6.5
CVSS 26.1
CVSS 37.4
EPSS0.00167