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: 0.74%
Affected Products (NVD)
VendorProductVersion
ciscosecure_firewall_threat_defense
6.2.3
ciscosecure_firewall_threat_defense
6.4.0
ciscosecure_firewall_threat_defense
6.4.0.1
ciscosecure_firewall_threat_defense
6.4.0.2
ciscosecure_firewall_threat_defense
6.4.0.3
ciscosecure_firewall_threat_defense
6.4.0.4
ciscosecure_firewall_threat_defense
6.4.0.5
ciscosecure_firewall_threat_defense
6.4.0.6
ciscosecure_firewall_threat_defense
6.4.0.7
ciscosecure_firewall_threat_defense
6.4.0.8
ciscosecure_firewall_threat_defense
6.4.0.9
ciscosecure_firewall_threat_defense
6.4.0.10
ciscosecure_firewall_threat_defense
6.4.0.11
ciscosecure_firewall_threat_defense
6.4.0.12
ciscosecure_firewall_threat_defense
6.4.0.13
ciscosecure_firewall_threat_defense
6.4.0.14
ciscosecure_firewall_threat_defense
6.4.0.15
ciscosecure_firewall_threat_defense
6.4.0.16
ciscosecure_firewall_threat_defense
6.4.0.17
ciscosecure_firewall_threat_defense
6.4.0.18
ciscosecure_firewall_threat_defense
7.0.0
ciscosecure_firewall_threat_defense
7.0.0.1
ciscosecure_firewall_threat_defense
7.0.1
ciscosecure_firewall_threat_defense
7.0.1.1
ciscosecure_firewall_threat_defense
7.0.2
ciscosecure_firewall_threat_defense
7.0.2.1
ciscosecure_firewall_threat_defense
7.0.3
ciscosecure_firewall_threat_defense
7.0.4
ciscosecure_firewall_threat_defense
7.0.5
ciscosecure_firewall_threat_defense
7.0.6
ciscosecure_firewall_threat_defense
7.0.6.1
ciscosecure_firewall_threat_defense
7.0.6.2
ciscosecure_firewall_threat_defense
7.0.6.3
ciscosecure_firewall_threat_defense
7.0.7
ciscosecure_firewall_threat_defense
7.0.8
ciscosecure_firewall_threat_defense
7.0.8.1
ciscosecure_firewall_threat_defense
7.1.0
ciscosecure_firewall_threat_defense
7.1.0.1
ciscosecure_firewall_threat_defense
7.1.0.2
ciscosecure_firewall_threat_defense
7.1.0.3
ciscosecure_firewall_threat_defense
7.2.0
ciscosecure_firewall_threat_defense
7.2.0.1
ciscosecure_firewall_threat_defense
7.2.1
ciscosecure_firewall_threat_defense
7.2.2
ciscosecure_firewall_threat_defense
7.2.3
ciscosecure_firewall_threat_defense
7.2.4
ciscosecure_firewall_threat_defense
7.2.4.1
ciscosecure_firewall_threat_defense
7.2.5
ciscosecure_firewall_threat_defense
7.2.5.1
ciscosecure_firewall_threat_defense
7.2.5.2
ciscosecure_firewall_threat_defense
7.2.6
ciscosecure_firewall_threat_defense
7.2.7
ciscosecure_firewall_threat_defense
7.2.8
ciscosecure_firewall_threat_defense
7.2.8.1
ciscosecure_firewall_threat_defense
7.2.9
ciscosecure_firewall_threat_defense
7.2.10
ciscosecure_firewall_threat_defense
7.2.10.2
ciscosecure_firewall_threat_defense
7.3.0
ciscosecure_firewall_threat_defense
7.3.1
ciscosecure_firewall_threat_defense
7.3.1.1
ciscosecure_firewall_threat_defense
7.3.1.2
ciscosecure_firewall_threat_defense
7.4.0
ciscosecure_firewall_threat_defense
7.4.1
ciscosecure_firewall_threat_defense
7.4.1.1
ciscosecure_firewall_threat_defense
7.4.2
ciscosecure_firewall_threat_defense
7.4.2.1
ciscosecure_firewall_threat_defense
7.4.2.2
ciscosecure_firewall_threat_defense
7.4.2.3
ciscosecure_firewall_threat_defense
7.4.2.4
ciscosecure_firewall_threat_defense
7.6.0
ciscosecure_firewall_threat_defense
7.6.1
ciscosecure_firewall_threat_defense
7.6.2
ciscosecure_firewall_threat_defense
7.6.2.1
ciscosecure_firewall_threat_defense
7.7.0
ciscosecure_firewall_threat_defense
7.7.10
ciscosecure_firewall_threat_defense
7.7.10.1
𝑥
= Vulnerable software versions