CVE-2026-20064

EUVD-2026-9483
A vulnerability in of Cisco Secure Firewall Threat Defense (FTD) Software could allow an authenticated, local attacker to cause the device to unexpectedly reload, causing a denial of service (DoS) condition.

 This vulnerability is due to improper validation of user-supplied input. An attacker with a low-privileged account could exploit this vulnerability by using crafted commands at the CLI prompt. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 10%
Affected Products (NVD)
VendorProductVersion
ciscofirepower_threat_defense_software
6.2.3
ciscofirepower_threat_defense_software
6.4.0
ciscofirepower_threat_defense_software
6.4.0.1
ciscofirepower_threat_defense_software
6.4.0.2
ciscofirepower_threat_defense_software
6.4.0.3
ciscofirepower_threat_defense_software
6.4.0.4
ciscofirepower_threat_defense_software
6.4.0.5
ciscofirepower_threat_defense_software
6.4.0.6
ciscofirepower_threat_defense_software
6.4.0.7
ciscofirepower_threat_defense_software
6.4.0.8
ciscofirepower_threat_defense_software
6.4.0.9
ciscofirepower_threat_defense_software
6.4.0.10
ciscofirepower_threat_defense_software
6.4.0.11
ciscofirepower_threat_defense_software
6.4.0.12
ciscofirepower_threat_defense_software
6.4.0.13
ciscofirepower_threat_defense_software
6.4.0.14
ciscofirepower_threat_defense_software
6.4.0.15
ciscofirepower_threat_defense_software
6.4.0.16
ciscofirepower_threat_defense_software
6.4.0.17
ciscofirepower_threat_defense_software
6.4.0.18
ciscofirepower_threat_defense_software
7.0.0
ciscofirepower_threat_defense_software
7.0.0.1
ciscofirepower_threat_defense_software
7.0.1
ciscofirepower_threat_defense_software
7.0.1.1
ciscofirepower_threat_defense_software
7.0.2
ciscofirepower_threat_defense_software
7.0.2.1
ciscofirepower_threat_defense_software
7.0.3
ciscofirepower_threat_defense_software
7.0.4
ciscofirepower_threat_defense_software
7.0.5
ciscofirepower_threat_defense_software
7.0.6
ciscofirepower_threat_defense_software
7.0.6.1
ciscofirepower_threat_defense_software
7.0.6.2
ciscofirepower_threat_defense_software
7.0.6.3
ciscofirepower_threat_defense_software
7.0.7
ciscofirepower_threat_defense_software
7.0.8
ciscofirepower_threat_defense_software
7.0.8.1
ciscofirepower_threat_defense_software
7.1.0
ciscofirepower_threat_defense_software
7.1.0.1
ciscofirepower_threat_defense_software
7.1.0.2
ciscofirepower_threat_defense_software
7.1.0.3
ciscofirepower_threat_defense_software
7.2.0
ciscofirepower_threat_defense_software
7.2.0.1
ciscofirepower_threat_defense_software
7.2.1
ciscofirepower_threat_defense_software
7.2.2
ciscofirepower_threat_defense_software
7.2.3
ciscofirepower_threat_defense_software
7.2.4
ciscofirepower_threat_defense_software
7.2.4.1
ciscofirepower_threat_defense_software
7.2.5
ciscofirepower_threat_defense_software
7.2.5.1
ciscofirepower_threat_defense_software
7.2.5.2
ciscofirepower_threat_defense_software
7.2.6
ciscofirepower_threat_defense_software
7.2.7
ciscofirepower_threat_defense_software
7.2.8
ciscofirepower_threat_defense_software
7.2.8.1
ciscofirepower_threat_defense_software
7.2.9
ciscofirepower_threat_defense_software
7.2.10
ciscofirepower_threat_defense_software
7.2.10.2
ciscofirepower_threat_defense_software
7.3.0
ciscofirepower_threat_defense_software
7.3.1
ciscofirepower_threat_defense_software
7.3.1.1
ciscofirepower_threat_defense_software
7.3.1.2
ciscofirepower_threat_defense_software
7.4.0
ciscofirepower_threat_defense_software
7.4.1
ciscofirepower_threat_defense_software
7.4.1.1
ciscofirepower_threat_defense_software
7.4.2
ciscofirepower_threat_defense_software
7.4.2.1
ciscofirepower_threat_defense_software
7.4.2.2
ciscofirepower_threat_defense_software
7.4.2.3
ciscofirepower_threat_defense_software
7.4.2.4
ciscofirepower_threat_defense_software
7.6.0
ciscofirepower_threat_defense_software
7.6.1
ciscofirepower_threat_defense_software
7.6.2
ciscofirepower_threat_defense_software
7.6.2.1
ciscofirepower_threat_defense_software
7.7.0
ciscofirepower_threat_defense_software
7.7.10
ciscofirepower_threat_defense_software
7.7.10.1
𝑥
= Vulnerable software versions