CVE-2026-42937

MEDIUM

F5 BIG-IP and BIG-IQ - Authenticated Information Disclosure via TMOS Shell arp/ndp Commands and iControl REST

Title source: llm
STIX 2.1

Description

Incorrect permission assignment vulnerabilities exist in BIG-IP and BIG-IQ TMOS Shell (tmsh) arp and ndp commands, and in BIG-IP iControl REST. These vulnerabilities may allow an authenticated attacker to view adjacent network information.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory patch
https://my.f5.com/manage/s/article/K000161018

Scores

CVSS v3 6.5
EPSS 0.0005
EPSS Percentile 15.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-732
Status published
Products (6)
F5/BIG-IP 16.1.0
F5/BIG-IP 17.1.0 - 17.1.3.2
F5/BIG-IP 17.5.0 - 17.5.1.6
F5/BIG-IP 21.0.0 - 21.0.0.2
F5/BIG-IP 21.1.0
F5/BIG-IQ 8.4.0
Published May 13, 2026
Tracked Since May 13, 2026