Vulnerability Intelligence Report
BIG-IP and BIG-IQ Configuration utility vulnerability
CVE-2026-41957
An authenticated remote code execution vulnerability through undisclosed vectors exists in the BIG-IP and BIG-IQ Configuration utility. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
No Active Exploit Signals
CVSS Base Score
8.8
HIGH
Exploitability:2.9
Impact Score:5.9
EPSS Probability:0.51%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-502 ↗CWE-502 Deserialization of Untrusted Data
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| F5 | BIG-IP | 21.0.0 < * (unaffected), 17.5.0 < 17.5.1.4 (affected), 17.1.0 < 17.1.3.1 (affected), 16.1.0 < * (affected) |
| F5 | BIG-IQ | 8.4.0 < 8.4.1 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.514%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | F5, Inc. · Vendor · USA |
| Reserved | 2026-04-30T23:02:47 |
| Published | 2026-05-13T14:12:30 |
| Patch Date | 2026-05-13 |
| Last Updated | 2026-05-14T03:56:14 |
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