hacker-news · Crawled Aug 12, 2026

Cisco ASA and FTD Flaw Exploited in the Wild Can Trigger Remote DoS

33 IoCs
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AI Summary

A high-severity vulnerability, CVE-2026-20349, in Cisco Secure Firewall ASA and FTD software is being actively exploited in the wild to trigger remote denial-of-service (DoS) conditions. The flaw stems from insufficient error checking when processing crafted HTTP requests sent to the Remote Access SSL VPN service, allowing unauthenticated attackers to cause affected devices to reload. Cisco confirms the vulnerability was discovered internally and has been exploited, with no workarounds available. The U.S. CISA has added the flaw to its Known Exploited Vulnerabilities catalog, mandating federal agencies to patch by August 14, 2026.

AI-extracted · verify before operational use

Indicators of Compromise 33 extracted

Type Value Detail
Filename Cisco_FTD_Hotfix_GC-7.0.9.1-1.sh.REL.tar Details →
Filename Cisco_FTD_SSP_FP1K_Hotfix_GC-7.0.9.1-1.sh.REL.tar Details →
Filename Cisco_FTD_SSP_FP2K_Hotfix_GC-7.0.9.1-1.sh.REL.tar Details →
Filename Cisco_FTD_SSP_Hotfix_GC-7.0.9.1-1.sh.REL.tar Details →
Filename Cisco_FTD_Hotfix_HM-7.2.11.1-2.sh.REL.tar Details →
Filename Cisco_FTD_SSP_FP1K_Hotfix_HM-7.2.11.1-2.sh.REL.tar Details →
Filename Cisco_FTD_SSP_FP2K_Hotfix_HM-7.2.11.1-2.sh.REL.tar Details →
Filename Cisco_FTD_SSP_FP3K_Hotfix_HM-7.2.11.1-2.sh.REL.tar Details →
Filename Cisco_FTD_SSP_Hotfix_HM-7.2.11.1-2.sh.REL.tar Details →
Filename Cisco_FTD_Hotfix_HK-7.4.7.1-1.sh.REL.tar Details →
Filename Cisco_FTD_SSP_FP1K_Hotfix_HK-7.4.7.1-1.sh.REL.tar Details →
Filename Cisco_FTD_SSP_FP2K_Hotfix_HK-7.4.7.1-1.sh.REL.tar Details →
Filename Cisco_FTD_SSP_FP3K_Hotfix_HK-7.4.7.1-1.sh.REL.tar Details →
Filename Cisco_FTD_SSP_Hotfix_HK-7.4.7.1-1.sh.REL.tar Details →
Filename Cisco_Secure_FW_TD_4200_Hotfix_HK-7.4.7.1-1.sh.REL.tar Details →
Filename Cisco_FTD_Hotfix_DD-7.6.4.1-2.sh.REL.tar Details →
Filename Cisco_FTD_SSP_FP1K_Hotfix_DD-7.6.4.1-2.sh.REL.tar Details →
Filename Cisco_FTD_SSP_FP3K_Hotfix_DD-7.6.4.1-2.sh.REL.tar Details →
Filename Cisco_FTD_SSP_Hotfix_DD-7.6.4.1-2.sh.REL.tar Details →
Filename Cisco_Secure_FW_TD_4200_Hotfix_DD-7.6.4.1-2.sh.REL.tar Details →
Filename Cisco_FTD_Hotfix_AN-7.7.11.1-2.sh.REL.tar Details →
Filename Cisco_FTD_SSP_FP1K_Hotfix_AN-7.7.11.1-2.sh.REL.tar Details →
Filename Cisco_FTD_SSP_FP3K_Hotfix_AN-7.7.11.1-2.sh.REL.tar Details →
Filename Cisco_FTD_SSP_Hotfix_AN-7.7.11.1-2.sh.REL.tar Details →
Filename Cisco_Secure_FW_TD_1200_Hotfix_AN-7.7.11.1-2.sh.REL.tar Details →
Filename Cisco_Secure_FW_TD_4200_Hotfix_AN-7.7.11.1-2.sh.REL.tar Details →
Filename Cisco_FTD_Hotfix_S-10.0.0.1-2.sh.REL.tar Details →
Filename Cisco_FTD_SSP_FP1K_Hotfix_S-10.0.0.1-2.sh.REL.tar Details →
Filename Cisco_FTD_SSP_FP3K_Hotfix_S-10.0.0.1-2.sh.REL.tar Details →
Filename Cisco_FTD_SSP_Hotfix_S-10.0.0.1-2.sh.REL.tar Details →
Filename Cisco_Secure_FW_TD_200_Hotfix_R-10.0.0.1-2.sh.REL.tar Details →
Filename Cisco_Secure_FW_TD_1200_Hotfix_S-10.0.0.1-2.sh.REL.tar Details →
Filename Cisco_Secure_FW_TD_6100_Hotfix_S-10.0.0.1-2.sh.REL.tar Details →