PT-2026-40666 · F5 · Big-Ip+1

Published

2026-05-13

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Updated

2026-05-17

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CVE-2026-41959

CVSS v3.1

6.5

Medium

VectorAV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Name of the Vulnerable Software and Affected Versions BIG-IP versions prior to 17.1.3.2 BIG-IP versions prior to 17.5.1.6 BIG-IP versions prior to 21.0.0.2 BIG-IQ versions prior to 17.1.3.2 BIG-IQ versions prior to 17.5.1.6 BIG-IQ versions prior to 21.0.0.2
Description Incorrect permission assignments exist in the iControl REST and the TMOS Shell (tmsh) network diagnostics commands. These flaws may allow an authenticated attacker to view the network status of destination systems.
Recommendations Update to version 17.1.3.2 or later. Update to version 17.5.1.6 or later. Update to version 21.0.0.2 or later.

Fix

Incorrect Permission

Weakness Enumeration

Related Identifiers

CVE-2026-41959

Affected Products

Big-Ip
Big-Iq