CVE-2026-42937

iControl REST and tmsh vulnerability

Published: May 13, 2026Updated: Jun 17, 2026 Sources: CVE List NVDCWE-732

6.5MEDIUM

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:LPrivileges Required

Low

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:NIntegrity

None

A:NAvailability

None

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Weaknesses

CWE-732

Affected Products

commercial·US

big-ip access policy managerOn-premNetwork Device

Networking Infrastructure / firewall

big-ip advanced firewall managerOn-premSecurity Product

Networking Infrastructure / firewall

big-ip advanced web application firewallOn-premSecurity Product

Networking Infrastructure / firewall

big-ip analyticsOn-premNetwork Device

Networking Infrastructure / network-management

big-ip application acceleration managerOn-premNetwork Device

Networking Infrastructure / load-balancer-proxy

big-ip application security managerOn-premNetwork Device

Networking Infrastructure / firewall

big-ip application visibility and reportingOn-premNetwork Device

Networking Infrastructure / firewall

big-ip automation toolchainOn-prem

Networking Infrastructure / network-management

and 15 more affected products View all →

Exploitability

Workaround Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique

Privilege Escalation

View detailed technique mapping

References

https://my.f5.com/manage/s/article/K000161018

my.f5.com

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