Findings

Vulnerability · CVE-2025-41414

When HTTP/2 client and server profile is configured on a virtual server, undisclosed requests can cause TMM to terminate.

Published May 7, 2025 · corrected/updated May 8, 2025 · F5 BIG-IP Next CNF · evidence confidence high

When HTTP/2 client and server profile is configured on a virtual server, undisclosed requests can cause TMM to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

CVE-2025-41414 is a high public vulnerability record for F5 BIG-IP Next CNF. It is not currently listed in the CISA Known Exploited catalog. Check the linked vendor or CERT advisories for patch status. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether F5 BIG-IP Next CNF is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: F5 BIG-IP Next CNF 1.1.0 <1.4.0 (1.1.0 <1.4.0). Check the linked vendor or CERT advisories for patch status. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: CVSS 8.7, EPSS 43.0%. It is not currently listed in the CISA Known Exploited catalog. Sources contributing to this record: euvd. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

  • Exploitation evidence

    Not listed as known exploited in CISA KEV. Not in CISA KEV or VulnCheck KEV.

  • Patch and remediation

    No required-action text is stored yet. Use the vendor or CERT links in Sources for patch availability.

  • Safe detection guidance

    Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 7, 2025 · EUVD

    Detected

    When HTTP/2 client and server profile is configured on a virtual server, undisclosed requests can cause TMM to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

  2. May 8, 2025 · EUVD

    Updated

    When HTTP/2 client and server profile is configured on a virtual server, undisclosed requests can cause TMM to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

Affected

  • vendor F5 BIG-IP Next CNF 1.1.0 <1.4.01.1.0 <1.4.0

Sources

  • EUVDVulnerability recordEUVD-2025-13940

    When HTTP/2 client and server profile is configured on a virtual server, undisclosed requests can cause TMM to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

    euvd.enisa.europa.eu

References