PT-2026-40680 · F5 · Big-Iq+1

Published 2026-05-13 · Updated 2026-05-17 · CVE-2026-42937

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions BIG-IP (affected versions not specified) BIG-IQ (affected versions not specified)

Description Incorrect permission assignment issues exist in the BIG-IP and BIG-IQ TMOS Shell (tmsh) 'arp' and 'ndp' commands, as well as in BIG-IP iControl REST. These flaws may allow an authenticated attacker to view adjacent network information.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Incorrect Permission

Weakness Enumeration

CWE-732

Related Identifiers

CVE-2026-42937

Affected Products

Big-Ip

Big-Iq

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-42937 · Security Note
• https://my.f5.com/manage/s/article/K000161018 · Patch, Vendor Advisory
• https://twitter.com/f1tym1/status/2056025527136190565 · Twitter Post