Technology · Cisco
Cisco Secure Firewall Threat Defense (FTD) Software vulnerabilities
Updated . Rebuilt every hour.
Junglewise Threat Intelligence has tracked 9 vulnerabilities in Cisco Secure Firewall Threat Defense (FTD) Software: 0 in the last 7 days and 3 in the last 90 days, 1 of them critical and 1 exploited in the wild. The most recent, CVE-2026-76418, was published on 28 October 2026. 1 vulnerability in the last four weeks, down 50% on the four before (2). 1 critical against 0, 1 exploited in the wild against 0.
- Last 7 days
- 0
- Last 90 days
- 3
- Critical, all time
- 1
- Exploited in the wild
- 1
About Cisco Secure Firewall Threat Defense (FTD) Software
Cisco network security software combining firewall and intrusion prevention with threat detection.
Latest Cisco Secure Firewall Threat Defense (FTD) Software vulnerabilities
- CVE-2026-76418: Cisco Secure Firewall ASA and FTD SSL VPN denial of servicecriticalexploited in the wildCVSS 8.6EPSS 0.6%
- CVE-2026-20248: Cisco Secure Firewall ASA/FTD DNS over TCP denial of servicemediumCVSS 6.8EPSS 0.3%
- CVE-2026-20154: Cisco Secure Firewall ASA/FTD denial of service in syslog rate limitinghighCVSS 8.6EPSS 0.4%
- CVE-2026-20023: Cisco Secure Firewall ASA and FTD OSPF memory corruption denial of servicemediumCVSS 6.1EPSS 0.1%
- CVE-2026-20106: Cisco Secure Firewall ASA and FTD SSL VPN denial of servicemediumCVSS 5.3EPSS 0.3%
- CVE-2026-20105: Cisco Secure Firewall ASA and FTD Remote Access SSL VPN denial of servicehighCVSS 7.7EPSS 0.3%
- CVE-2026-20103: Cisco Secure Firewall ASA and FTD Remote Access SSL VPN denial of servicehighCVSS 8.6EPSS 0.4%
- CVE-2026-20049: Cisco Secure Firewall IPsec GCM buffer overflow denial of servicehighCVSS 7.7EPSS 0.3%
- CVE-2026-20008: Cisco Secure Firewall ASA and FTD Lua code injection in CLI commandsmediumCVSS 6EPSS 0.1%
Most severe Cisco Secure Firewall Threat Defense (FTD) Software vulnerabilities
Exploited in the wild first, then by severity and CVSS score.
- CVE-2026-76418: Cisco Secure Firewall ASA and FTD SSL VPN denial of servicecriticalexploited in the wildCVSS 8.6EPSS 0.6%
- CVE-2026-20154: Cisco Secure Firewall ASA/FTD denial of service in syslog rate limitinghighCVSS 8.6EPSS 0.4%
- CVE-2026-20103: Cisco Secure Firewall ASA and FTD Remote Access SSL VPN denial of servicehighCVSS 8.6EPSS 0.4%
- CVE-2026-20105: Cisco Secure Firewall ASA and FTD Remote Access SSL VPN denial of servicehighCVSS 7.7EPSS 0.3%
- CVE-2026-20049: Cisco Secure Firewall IPsec GCM buffer overflow denial of servicehighCVSS 7.7EPSS 0.3%
- CVE-2026-20248: Cisco Secure Firewall ASA/FTD DNS over TCP denial of servicemediumCVSS 6.8EPSS 0.3%
- CVE-2026-20023: Cisco Secure Firewall ASA and FTD OSPF memory corruption denial of servicemediumCVSS 6.1EPSS 0.1%
- CVE-2026-20008: Cisco Secure Firewall ASA and FTD Lua code injection in CLI commandsmediumCVSS 6EPSS 0.1%
- CVE-2026-20106: Cisco Secure Firewall ASA and FTD SSL VPN denial of servicemediumCVSS 5.3EPSS 0.3%
Vulnerabilities per week
1 vulnerability in the last four weeks, down 50% on the four before (2). 1 critical against 0, 1 exploited in the wild against 0. The last 13 weeks, by the week each vulnerability was published.
| Week of | Bar | Vulns | Critical |
|---|---|---|---|
| 17 Aug 2026 | 0 | 0 | |
| 24 Aug 2026 | 0 | 0 | |
| 31 Aug 2026 | 0 | 0 | |
| 7 Sep 2026 | 0 | 0 | |
| 14 Sep 2026 | 2 | 0 | |
| 21 Sep 2026 | 0 | 0 | |
| 28 Sep 2026 | 0 | 0 | |
| 5 Oct 2026 | 0 | 0 | |
| 12 Oct 2026 | 0 | 0 | |
| 19 Oct 2026 | 0 | 0 | |
| 26 Oct 2026 | 1 | 1 | |
| 2 Nov 2026 | 0 | 0 | |
| 9 Nov 2026 | 0 | 0 |
Embed a badge
A live badge for a README, a status page or an internal wiki: how many Cisco Secure Firewall Threat Defense (FTD) Software vulnerabilities were published in the last 7 days and how many of them are critical, refreshed hourly.
[](https://junglewise.ai/threats/technologies/secure-firewall-threat-defense-ftd-software)<a href="https://junglewise.ai/threats/technologies/secure-firewall-threat-defense-ftd-software"><img src="https://junglewise.ai/threats/technologies/secure-firewall-threat-defense-ftd-software/badge.svg" alt="Cisco Secure Firewall Threat Defense (FTD) Software vulnerabilities" /></a>How this is built
Junglewise Threat Intelligence collects vulnerabilities from NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories, and matches each one to the technologies and vendors it affects. Dates are the date a vulnerability was published, in UTC.
The pages are rebuilt from the database every hour. Frozen weekly and monthly reports never change once published, so they can be cited.
Use this data
The same data is at https://junglewise.ai/threats/technologies/secure-firewall-threat-defense-ftd-software.json, and this page as text at https://junglewise.ai/threats/technologies/secure-firewall-threat-defense-ftd-software.md, for scripts and language models. It is free to reuse under CC BY 4.0 with a link back to this page.
Cite as: Junglewise Threat Intelligence, "Cisco Secure Firewall Threat Defense (FTD) Software vulnerabilities", https://junglewise.ai/threats/technologies/secure-firewall-threat-defense-ftd-software, 11 November 2026.