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F5 Networks BIG-IP : BIG-IP TMM vulnerability (K000156707)

high Nessus Plugin ID 270622

Synopsis

The remote device is missing a vendor-supplied security patch.

Description

The version of F5 Networks BIG-IP installed on the remote host is prior to 15.1.10.8 / 16.1.6.1 / 17.1.3 / 17.5.1.3. It is, therefore, affected by a vulnerability as referenced in the K000156707 advisory.

 When a virtual server, network address translation (NAT) object, or secure network address translation (SNAT) object uses the embedded Packet Velocity Acceleration (ePVA) feature, and theAuto Last Hopsetting is disabled, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate. TheAuto Last Hopsetting is enabled globally by default. For more information about theAuto Last Hopsetting, refer toK13876: Overview of the Auto Last Hop setting (15.x - 17.x). To determine which BIG-IP platforms have an ePVA chip, refer toK12837: Overview of the ePVA feature.(CVE-2025-53856)

Tenable has extracted the preceding description block directly from the F5 Networks BIG-IP security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to one of the non-vulnerable versions listed in the F5 Solution K000156707.

See Also

https://my.f5.com/manage/s/article/K000156707

Plugin Details

Severity: High

ID: 270622

File Name: f5_bigip_SOL000156707.nasl

Version: 1.1

Type: local

Published: 10/15/2025

Updated: 10/15/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2025-53856

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 8.7

Threat Score: 6.6

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

CPE: cpe:/a:f5:big-ip_application_security_manager, cpe:/a:f5:big-ip_access_policy_manager, cpe:/a:f5:big-ip_advanced_firewall_manager, cpe:/a:f5:big-ip_global_traffic_manager, cpe:/a:f5:big-ip_local_traffic_manager, cpe:/a:f5:big-ip_policy_enforcement_manager, cpe:/a:f5:big-ip_wan_optimization_manager, cpe:/a:f5:big-ip_domain_name_system, cpe:/h:f5:big-ip_protocol_security_manager, cpe:/h:f5:big-ip, cpe:/a:f5:big-ip_ssl_orchestrator, cpe:/a:f5:big-ip_irules_lx, cpe:/a:f5:big-ip_iapps_lx

Required KB Items: Host/local_checks_enabled, Host/BIG-IP/hotfix, Host/BIG-IP/modules, Host/BIG-IP/version

Exploit Ease: No known exploits are available

Patch Publication Date: 10/15/2025

Vulnerability Publication Date: 10/15/2025

Reference Information

CVE: CVE-2025-53856