CVE-2026-39459

iControl REST and tmsh vulnerability

HIGH
7.2
CVSS Score
Published: May 13, 2026 at 02:12 PM UTC
Updated: June 29, 2026 at 05:39 PM UTC
22 products affected across 1 vendorBig IP Access Policy ManagerBig IP Application Security ManagerBig IP Advanced Firewall Manager

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Severity
HIGH7.2
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

A vulnerability exists in iControl REST and the TMOS Shell (tmsh) where a highly privileged, authenticated attacker with at least the Manager role can create configuration objects that allow running arbitrary commands. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

16.1.0 ≤ v ≤ 16.1.617.1.0 ≤ v ≤ 17.1.317.5.0 ≤ v ≤ 17.5.121.0.0
16.1.0 ≤ v ≤ 16.1.617.1.0 ≤ v ≤ 17.1.317.5.0 ≤ v ≤ 17.5.121.0.0
16.1.0 ≤ v ≤ 16.1.617.1.0 ≤ v ≤ 17.1.317.5.0 ≤ v ≤ 17.5.121.0.0
16.1.0 ≤ v ≤ 16.1.617.1.0 ≤ v ≤ 17.1.317.5.0 ≤ v ≤ 17.5.121.0.0
16.1.0 ≤ v ≤ 16.1.617.1.0 ≤ v ≤ 17.1.317.5.0 ≤ v ≤ 17.5.121.0.0
16.1.0 ≤ v ≤ 16.1.617.1.0 ≤ v ≤ 17.1.317.5.0 ≤ v ≤ 17.5.121.0.0
16.1.0 ≤ v ≤ 16.1.617.1.0 ≤ v ≤ 17.1.317.5.0 ≤ v ≤ 17.5.121.0.0
16.1.0 ≤ v ≤ 16.1.617.1.0 ≤ v ≤ 17.1.317.5.0 ≤ v ≤ 17.5.121.0.0
16.1.0 ≤ v ≤ 16.1.617.1.0 ≤ v ≤ 17.1.317.5.0 ≤ v ≤ 17.5.121.0.0
16.1.0 ≤ v ≤ 16.1.617.1.0 ≤ v ≤ 17.1.317.5.0 ≤ v ≤ 17.5.121.0.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

Vendor AdvisoryPatchMitigation
Source: cverecord
https://my.f5.com/manage/s/article/K000160863

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.2HIGHf5
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-272

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