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CVE-2026-20732

BIG-IP Configuration utility vulnerability

A vulnerability exists in an undisclosed BIG-IP Configuration utility page that may allow an attacker to spoof error messages.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS 4.0 · 2.3 Low EPSS < 1% KEV · Not listed
Vendors
F5
Products
Big-ip Big-ip Access Policy Manager Big-ip Advanced Firewall Manager and 19 more
CVE-2026-2507

BIG-IP TMM Vulnerability

When BIG-IP AFM or BIG-IP DDoS is provisioned, undisclosed traffic can cause TMM to terminate.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
F5
Products
Big-ip
CVE-2018-16890

curl: NTLM type-2 heap out-of-bounds buffer read

libcurl versions from 7.36.0 to before 7.64.0 is vulnerable to a heap buffer out-of-bounds read. The function handling incoming NTLM type-2 messages (`lib/vauth/ntlm.c:ntlm_decode_type2_target`) does not validate incoming data correctly and is subject to an integer overflow vulnerability. Using that overflow, a malicious or broken NTLM server could trick libcurl to accept a bad length + offset combination that would lead to a buffer read out-of-bounds.

CVSS 3.1 · 7.5 High EPSS 5.4% KEV · Not listed
Vendors
Canonical Debian F5 and 5 more
Products
Ubuntu Linux Debian Linux Big-ip Access Policy Manager and 8 more
CVE-2025-53521

BigIP APM Vulnerability

When a BIG-IP APM access policy is configured on a virtual server, specific malicious traffic can lead to Remote Code Execution (RCE).   Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS 4.0 · 9.3 Critical EPSS 2.3% KEV · Listed
Vendors
F5
Products
Big-ip Big-ip Access Policy Manager
CVE-2025-53868

BIG-IP SCP and SFTP vulnerability

When running in Appliance mode, a highly privileged authenticated attacker with access to SCP and SFTP may be able to bypass Appliance mode restrictions using undisclosed commands.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed
Vendors
F5
Products
Big-ip Big-ip Access Policy Manager Big-ip Advanced Firewall Manager and 19 more
CVE-2025-23239

BIG-IP iControl REST vulnerability

When running in Appliance mode, and logged into a highly-privileged role, an authenticated remote command injection vulnerability exists in an undisclosed iControl REST endpoint. A successful exploit can allow the attacker to cross a security boundary. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed
Vendors
F5
Products
Big-ip Big-ip Access Policy Manager Big-ip Advanced Firewall Manager and 9 more
CVE-2025-24320

BIG-IP Configuration utility vulnerability

A stored cross-site scripting (XSS) vulnerability exists in an undisclosed page of the BIG-IP Configuration utility that allows an attacker to run JavaScript in the context of the currently logged-in user. This vulnerability is due to an incomplete fix for CVE-2024-31156 https://my.f5.com/manage/s/article/K000138636 .  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS 4.0 · 5.1 Medium EPSS < 1% KEV · Not listed
Vendors
F5
Products
Big-ip Big-ip Access Policy Manager Big-ip Advanced Firewall Manager and 19 more
CVE-2025-20029

BIG-IP iControl REST and tmsh vulnerability

Command injection vulnerability exists in iControl REST and BIG-IP TMOS Shell (tmsh) save command, which may allow an authenticated attacker to execute arbitrary system commands. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS 4.0 · 8.7 High EPSS 7.1% KEV · Not listed
Vendors
F5
Products
Big-ip Access Policy Manager Big-ip Advanced Firewall Manager Big-ip Advanced Web Application Firewall and 18 more
CVE-2025-48500

BIG-IP APM VPN web client for macOS vulnerability

A missing file integrity check vulnerability exists on MacOS F5 VPN browser client installer that may allow a local, authenticated attacker with access to the local file system to replace it with a malicious package installer.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS 4.0 · 7 High EPSS < 1% KEV · Not listed
Vendors
Apple F5
Products
Macos Big-ip Big-ip Access Policy Manager and 2 more
CVE-2025-53474

BIG-IP iRules vulnerability

When an iRule using an ILX::call command is configured on a virtual server, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
F5
Products
Big-ip Big-ip Access Policy Manager Big-ip Advanced Firewall Manager and 19 more
CVE-2025-59268

BIG-IP Configuration utility vulnerability

On the BIG-IP system, undisclosed endpoints that contain static non-sensitive information are accessible to an unauthenticated remote attacker through the Configuration utility.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
Vendors
F5
Products
Big-ip Big-ip Access Policy Manager Big-ip Advanced Firewall Manager and 19 more
CVE-2025-59269

BIG-IP Configuration utility XSS vulnerability

A stored cross-site scripting (XSS) vulnerability exists in an undisclosed page of the BIG-IP Configuration utility that allows an attacker to run JavaScript in the context of the currently logged-in user.   Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS 4.0 · 8.4 High EPSS < 1% KEV · Not listed
Vendors
F5
Products
Big-ip Big-ip Access Policy Manager Big-ip Advanced Firewall Manager and 19 more
CVE-2025-47148

BIG-IP APM and SSL Orchestrator vulnerability

When the BIG-IP system is configured as both a Security Assertion Markup Language (SAML) service provider (SP) and Identity Provider (IdP), with single logout (SLO) enabled on an access policy, undisclosed requests can cause an increase in memory resource utilization.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
Vendors
F5
Products
Big-ip Big-ip Access Policy Manager Big-ip Ssl Orchestrator
CVE-2025-58474

BIG-IP Advanced WAF and ASM and NGINX App Protect DNS lookup vulnerability

When BIG-IP Advanced WAF is configured on a virtual server with Server-Side Request Forgery (SSRF) protection or when an NGINX server is configured with App Protect Bot Defense, undisclosed requests can disrupt new client requests.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
Vendors
F5 Nginx
Products
Big-ip Big-ip Advanced Web Application Firewall Big-ip Application Security Manager and 2 more
CVE-2025-59478

BIG-IP AFM DoS protection profile vulnerability

When a BIG-IP AFM denial-of-service (DoS) protection profile is configured on a virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) process to terminate.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
F5
Products
Big-ip Big-ip Advanced Firewall Manager
CVE-2025-60016

BIG-IP SSL/TLS vulnerability

When Diffie-Hellman (DH) group Elliptic Curve Cryptography (ECC) Brainpool curves are configured in an SSL profile's Cipher Rule or Cipher Group, and that profile is applied to a virtual server, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
F5
Products
Big-ip Big-ip Next Cloud-native Network Functions Big-ip Next Service Proxy For Kubernetes
CVE-2025-58153

BIG-IP HSB vulnerability

Under undisclosed traffic conditions along with conditions beyond the attacker's control, hardware systems with a High-Speed Bridge (HSB) may experience a lockup of the HSB.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS 4.0 · 8.2 High EPSS < 1% KEV · Not listed
Vendors
F5
Products
Big-ip Big-ip Access Policy Manager Big-ip Advanced Firewall Manager and 19 more
CVE-2025-48008

BIG-IP MPTCP vulnerability

When a TCP profile with Multipath TCP (MPTCP) enabled is configured on a virtual server, undisclosed traffic along with conditions beyond the attacker's control can cause the Traffic Management Microkernel (TMM) to terminate.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
F5
Products
Big-ip Big-ip Access Policy Manager Big-ip Advanced Firewall Manager and 21 more
CVE-2025-55669

BIG-IP HTTP/2 vulnerability

When the BIG-IP Advanced WAF and ASM security policy and a server-side HTTP/2 profile are configured on a virtual server, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
F5
Products
Big-ip Big-ip Application Security Manager