BIG-IP

An authenticated user with any role can exploit a vulnerability in the F5 BIG-IP Traffic Management User Interface to create arbitrary administrative accounts.

An unauthenticated, remote attacker can exploit a vulnerability in F5 BIG-IP and BIG-IP Next to perform a Denial of Service attack, potentially disrupting services.

A heap buffer overflow vulnerability, CVE-2026-42533, exists in NGINX Plus and NGINX Open Source when a 'map' directive uses regex matching and references its capture variables before the map's output variable or uses a non-cacheable variable under certain conditions, allowing an unauthenticated attacker to send crafted HTTP requests causing denial-of-service or remote code execution.

Exploitation attempts targeting F5 BIG-IP, BIG-IQ, and Traffix SDC devices via CVE-2020-5902 are detected through regex pattern matching of exploit strings and directory traversal sequences in syslog data, potentially leading to remote code execution and system compromise.

Multiple vulnerabilities in F5 BIG-IP products could allow an attacker to execute arbitrary code, gain elevated privileges, bypass security measures, manipulate or disclose data, or cause a denial-of-service condition.

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

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.

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.

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.

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.

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.

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.

CVE-2026-32643 describes a vulnerability in F5 BIG-IP and BIG-IQ systems that allows a highly privileged, authenticated attacker with the Certificate Manager role to modify configuration objects, leading to arbitrary command execution.

This brief details the detection of DNS-based Kerberos coercion attacks, where adversaries inject marshaled credential structures into DNS records to spoof SPNs and redirect authentication, as seen in CVE-2025-33073, using Suricata and Sysmon event ID 22.