K000161837: Out-of-band Security Notification (July 15, 2026)

Security Advisory Description On July 15, 2026, F5 announced the following security issues. This document is intended to serve as an overview of these vulnerabilities to help determine the impact to your F5 devices. You can find the details of each issue in the associated articles. Article CVE|...

F5 iControl REST - Remote Command Execution

F5 iControl REST interface is susceptible to remote command execution. An attacker can execute malware, obtain sensitive information, modify data, and/or gain full control over a compromised system without entering necessary credentials. This affects BIG-IP 16.0.x before 16.0.1.1, 15.1.x before...

CVE-2026-41959

Incorrect permission assignment vulnerabilities exist in BIG-IP and BIG-IQ TMOS Shell tmsh network diagnostics commands and in BIG-IP iControl REST. These vulnerabilities may allow an authenticated attacker to view the network status of destination systems. Note: Software versions which have...

CVE-2026-42408

When BIG-IP DNS is provisioned, a vulnerability exists in an undisclosed TMOS Shell tmsh command that may allow a highly privileged authenticated attacker to view sensitive information. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

CVE-2026-28758

When BIG-IP DNS is provisioned, a vulnerability exists in the gtmadd and bigipadd iControl REST commands that return the ssh-password parameter in cleartext in the iControl REST response and is also logged in the audit log. This may allow a highly privileged, authenticated attacker with access to...

CVE-2026-40703

A cross-site request forgery CSRF vulnerability exists in the dashboard of the BIG-IP Configuration utility. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

CVE-2026-41217

A vulnerability exists in an undisclosed BIG-IP TMOS Shell tmsh command that may allow an authenticated attacker with resource administrator or administrator role to execute arbitrary system commands with higher privileges. In Appliance mode deployments, a successful exploit can allow the attacke...

CVE-2026-41957

An authenticated remote code execution vulnerability through undisclosed vectors exists in the BIG-IP and BIG-IQ Configuration utility. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

CVE-2026-41953

A vulnerability exists in BIG-IP systems where a highly privileged, authenticated attacker with at least the Resource Administrator role can modify configuration objects resulting in privilege escalation. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

CVE-2026-32673

A vulnerability exists in BIG-IP scripted monitors that may allow an authenticated attacker with the Resource Administrator or Administrator role to execute arbitrary system commands with higher privileges. In appliance mode deployments, a successful exploit can allow the attacker to cross a...

CVE-2026-32643

A vulnerability exists in BIG-IP and BIG-IQ systems where a highly privileged, authenticated attacker with at least the Certificate Manager role can modify configuration objects that allow running arbitrary commands. Note: Software versions which have reached End of Technical Support EoTS are not...

CVE-2026-42406

A vulnerability exists in BIG-IP and BIG-IQ systems where a highly privileged, authenticated attacker with at least the Certificate Manager role can modify configuration objects that allow running arbitrary commands. Note: Software versions which have reached End of Technical Support EoTS are not...

CVE-2026-42930

When running in Appliance mode, an authenticated attacker assigned the 'Administrator' role may be able to bypass Appliance mode restrictions on a BIG-IP system. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

CVE-2026-40061

When BIG-IP DNS is provisioned, a vulnerability exists in an undisclosed iControl REST and BIG-IP TMOS Shell tmsh command that may allow an authenticated attacker with the Resource Administrator or Administrator role to execute arbitrary system commands with higher privileges. In Appliance mode...

CVE-2026-40618

When an SSL profile is configured on a virtual server on BIG-IP Virtual Edition VE without Intel QuickAssist Technology QAT or on BIG-IP hardware platforms with the database variable crypto.hwacceleration set to disabled, undisclosed traffic can cause the Traffic Management Microkernel TMM to...

CVE-2026-40060

When a BIG-IP Advanced WAF or ASM security policy is configured on a virtual server, undisclosed requests can cause the bd process to terminate. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

CVE-2026-39455

When the BIG-IP Configuration utility is configured to use Lightweight Directory Access Protocol LDAP authentication, undisclosed traffic can cause the httpd process to exhaust the available file descriptors. Note: Software versions which have reached End of Technical Support EoTS are not evaluat...

F5 Networks BIG-IP : Appliance mode iControl REST vulnerability (K000160857)

The version of F5 Networks BIG-IP installed on the remote host is prior to 17.1.3.2 / 17.5.1.6 / 21.0.0.2. It is, therefore, affected by a vulnerability as referenced in the K000160857 advisory. When running in Appliance mode, an authenticated remote command injection vulnerability exists in an...

F5 Networks BIG-IP : BIG-IP Configuration utility vulnerability (K000160874)

The version of F5 Networks BIG-IP installed on the remote host is prior to 17.1.3.2 / 17.5.1.6 / 21.0.0.2. It is, therefore, affected by a vulnerability as referenced in the K000160874 advisory. When the BIG-IP Configuration utility is configured to use Lightweight Directory Access Protocol LDAP...

F5 Networks BIG-IP : BIG-IP PEM iRules vulnerability (K000160875)

The version of F5 Networks BIG-IP installed on the remote host is prior to 17.1.3.1 / 17.5.1.4 / 21.0.0.1. It is, therefore, affected by a vulnerability as referenced in the K000160875 advisory. When BIG-IP PEM iRules are configured on a virtual server iRules using commands starting...