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F5 Networks

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medium advisory

CVE-2026-42409 - F5 BIG-IP TMM Process Termination via HTTP/2 and iRules

CVE-2026-42409 describes a vulnerability in F5 BIG-IP where undisclosed requests can cause the Traffic Management Microkernel (TMM) process to terminate when an HTTP/2 profile and an iRule containing the HTTP::redirect or HTTP::respond command are configured on a virtual server, potentially leading to denial of service.

denial-of-service f5
2r 1t 1c
medium threat

CVE-2026-41956: F5 TMM Termination Vulnerability on UDP Virtual Servers

CVE-2026-41956 describes a vulnerability in F5 Networks' Traffic Management Microkernel (TMM) where undisclosed requests can cause TMM termination when a classification profile is configured on a UDP virtual server, leading to a denial-of-service condition.

cve-2026-41956 denial-of-service f5 tmm
2r 1t 1c
high advisory

CVE-2026-42930: F5 BIG-IP Appliance Mode Restriction Bypass

CVE-2026-42930 allows an authenticated attacker with 'Administrator' privileges to bypass Appliance mode restrictions on F5 BIG-IP systems.

BIG-IP vulnerability privilege-escalation f5
2r 1t 1c
high advisory

F5 BIG-IP CVE-2026-42924 iControl SOAP SNMP Configuration Privilege Escalation

CVE-2026-42924 allows an authenticated attacker with Resource Administrator or Administrator privileges to escalate privileges by creating malicious SNMP configuration objects through iControl SOAP.

BIG-IP privilege-escalation snmp f5 cve-2026-42924
1r 1t 1c
medium threat

CVE-2026-42920 - F5 BIG-IP TMM Termination Vulnerability

CVE-2026-42920 describes a vulnerability where undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate when a Client SSL profile is configured with Allow Dynamic Record Sizing on a UDP virtual server.

BIG-IP cve dos f5
2r 1t 1c
high advisory

CVE-2026-42406 - F5 BIG-IP and BIG-IQ Authenticated Remote Code Execution

CVE-2026-42406 allows a highly privileged, authenticated attacker with the Certificate Manager role to modify configuration objects in F5 BIG-IP and BIG-IQ systems, leading to arbitrary command execution.

BIG-IP +1 cve cve-2026-42406 f5 big-iq rce authenticated privilege escalation
2r 2t 1c
high advisory

CVE-2026-41957: F5 BIG-IP and BIG-IQ Authenticated Remote Code Execution Vulnerability

An authenticated remote code execution vulnerability (CVE-2026-41957) exists in the F5 BIG-IP and BIG-IQ Configuration utility, potentially leading to arbitrary code execution on affected systems.

BIG-IP +1 cve-2026-41957 rce f5 big-iq authenticated deserialization
2r 1t 1c
high advisory

BIG-IP Privilege Escalation via Configuration Modification (CVE-2026-41953)

CVE-2026-41953 describes a privilege escalation vulnerability in F5 BIG-IP systems where a highly privileged, authenticated attacker with the Resource Administrator role can modify configuration objects, leading to elevated privileges within the system.

BIG-IP privilege-escalation f5
2r 1t 1c
medium threat

CVE-2026-41227: F5 Networks Traffic Management Microkernel (TMM) Process Termination via HTTP/2 Traffic

CVE-2026-41227 describes a vulnerability in an F5 Networks product where undisclosed traffic on an HTTP/2 virtual server with Layer 7 DoS Protection enabled can lead to increased memory consumption and termination of the Traffic Management Microkernel (TMM) process.

dos cve http2
2r 1t 1c
high advisory

BIG-IP PEM iRules Traffic Management Microkernel (TMM) Termination

CVE-2026-41218 describes a vulnerability in F5 BIG-IP PEM iRules where undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate, leading to a denial-of-service condition.

BIG-IP PEM iRules cve dos f5 big-ip
1r 1t 1c
high advisory

CVE-2026-41217: F5 BIG-IP TMOS Shell (tmsh) Command Injection Vulnerability

CVE-2026-41217 is a vulnerability in an undisclosed F5 BIG-IP TMOS Shell (tmsh) command that allows an authenticated attacker with resource administrator or administrator role to execute arbitrary system commands with higher privileges, potentially crossing a security boundary in Appliance mode deployments.

BIG-IP TMOS cve privilege-escalation command-injection f5
2r 2t 1c
high threat

F5 BIG-IP and BIG-IQ iControl REST/TMOS Shell Privilege Escalation Vulnerability (CVE-2026-40698)

CVE-2026-40698 allows a highly privileged, authenticated attacker with Resource Administrator privileges in F5 BIG-IP and BIG-IQ systems to create SNMP configuration objects via iControl REST or TMOS shell (tmsh), resulting in privilege escalation.

BIG-IP +1 privilege-escalation snmp
2r 1t 1c
high advisory

CVE-2026-40631: F5 iControl SOAP Privilege Escalation

An authenticated attacker with Resource Administrator or Administrator roles can modify configuration objects through iControl SOAP in F5 products, leading to privilege escalation via CVE-2026-40631.

privilege-escalation f5 icontrol soap
2r 1t 1c
medium threat

CVE-2026-40629: F5 Networks Virtual Server Denial of Service

CVE-2026-40629 describes a vulnerability in F5 Networks products where, when SSL profiles are configured on a virtual server, undisclosed traffic can cause the virtual server to stop processing new client connections, leading to a denial of service.

cve dos f5
1r 1t 1c
medium advisory

BIG-IP VE TMM Termination Vulnerability (CVE-2026-40618)

CVE-2026-40618 describes a vulnerability in F5 BIG-IP Virtual Edition (VE) where specific traffic can cause the Traffic Management Microkernel (TMM) to terminate when an SSL profile is configured without Intel QuickAssist Technology (QAT) or with crypto.hwacceleration disabled, potentially leading to a denial-of-service.

BIG-IP Virtual Edition cve dos big-ip
2r 1t 1c
medium advisory

CVE-2026-40423: F5 Traffic Management Microkernel (TMM) Termination Vulnerability

CVE-2026-40423 describes a vulnerability in F5 Networks products where undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate when a SIP profile is configured on a virtual server, leading to a denial-of-service condition.

cve dos f5
2r 1t 1c
medium advisory

F5 BIG-IP APM Undisclosed Traffic Denial-of-Service Vulnerability (CVE-2026-40067)

A vulnerability exists in F5 BIG-IP APM where, when an APM access policy is configured on a virtual server, undisclosed network traffic can cause the apmd process to terminate, resulting in a denial of service (CVE-2026-40067).

BIG-IP APM dos cve-2026-40067 f5
2r 1t 1c
medium advisory

BIG-IP Advanced WAF/ASM Denial-of-Service Vulnerability (CVE-2026-40060)

CVE-2026-40060 describes a vulnerability in F5 BIG-IP Advanced WAF and ASM security policies where undisclosed requests can cause the `bd` process to terminate, leading to a denial-of-service condition.

BIG-IP Advanced WAF +1 denial-of-service web application firewall F5 CVE-2026-40060
2r 1t 1c
high advisory

CVE-2026-39459 - F5 iControl REST and TMOS Shell (tmsh) Arbitrary Command Execution

CVE-2026-39459 describes a vulnerability in F5's iControl REST and TMOS Shell (tmsh) where a privileged, authenticated attacker with at least the Manager role can execute arbitrary commands by creating malicious configuration objects.

iControl REST +1 cve rce f5 privilege escalation
2r 2t 1c
medium advisory

BIG-IP Configuration Utility LDAP Authentication Denial-of-Service (CVE-2026-39455)

CVE-2026-39455 describes a denial-of-service vulnerability in the BIG-IP Configuration utility when configured with LDAP authentication, where undisclosed traffic can cause the httpd process to exhaust file descriptors.

BIG-IP Configuration utility denial-of-service cve
2r 1t 1c
high advisory

CVE-2026-34176 - F5 iControl REST Endpoint Authenticated Remote Command Injection

CVE-2026-34176 is an authenticated remote command injection vulnerability in an undisclosed iControl REST endpoint when running in Appliance mode, allowing an attacker to cross a security boundary.

cve command injection f5
1r 1t 1c
high advisory

CVE-2026-32673 - F5 BIG-IP Scripted Monitor Privilege Escalation

CVE-2026-32673 allows an authenticated attacker with Resource Administrator or Administrator roles to execute arbitrary system commands with higher privileges in F5 BIG-IP scripted monitors, potentially crossing a security boundary in appliance mode deployments.

BIG-IP scripted monitors cve-2026-32673 privilege-escalation command-injection big-ip
2r 1t 1c
high threat

CVE-2026-20916: F5 BIG-IQ iControl REST Arbitrary File Modification

CVE-2026-20916 describes a vulnerability in F5 BIG-IQ where an authenticated user with low privileges can create or modify arbitrary files via an undisclosed iControl REST endpoint, potentially leading to privilege escalation or system compromise.

BIG-IQ system cve arbitrary file modification privilege escalation web application
2r 2t 1c
critical advisory

F5 iControl REST RCE Vulnerability (CVE-2026-41225)

CVE-2026-41225 allows a highly privileged, authenticated attacker with at least the Manager role to create configuration objects in F5 iControl REST, leading to arbitrary command execution.

iControl REST cve rce f5 icontrol
2r 1t 1c
medium advisory

LSASS Loading Suspicious DLL

Detection of LSASS loading an unsigned or untrusted DLL, which can indicate credential access attempts by malicious actors targeting sensitive information stored in the LSASS process.

Windows credential-access lsass dll-injection
2r 2t 9i