F5 BIG-IP prior 17.1.3.2/17.5.1.6/21.0.0.2 iControl REST incorrect privileged apis

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in F5 BIG-IP. This issue affects some unknown processing of the component iControl REST. Performing a manipulation results in incorrect use of privileged apis. This vulnerability is cataloged as CVE-2026-41225. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in F5 BIG-IP. This affects an unknown functionality of the component iControl REST. The manipulation with an unknown input leads to a incorrect use of privileged apis vulnerability. CWE is classifying the issue as CWE-648. The product does not conform to the API requirements for a function call that requires extra privileges. This could allow attackers to gain privileges by causing the function to be called incorrectly. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability exists in iControl REST 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.

The advisory is shared at my.f5.com. This vulnerability is uniquely identified as CVE-2026-41225 since 05/01/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. Additional levels of successful authentication are needed for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/22/2026).

The vulnerability scanner Nessus provides a plugin with the ID 316115 (F5 Networks BIG-IP : iControl REST vulnerability (K000160916)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 17.1.3.2, 17.5.1.6 or 21.0.0.2 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (316115) and CERT Bund (WID-SEC-2026-1532). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

  • F5 BIG-IP

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 8.1
VulDB Meta Temp Score: 8.0

VulDB Base Score: 7.2
VulDB Temp Score: 6.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 9.1
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Incorrect use of privileged apis
CWE: CWE-648
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 316115
Nessus Name: F5 Networks BIG-IP : iControl REST vulnerability (K000160916)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: BIG-IP 17.1.3.2/17.5.1.6/21.0.0.2

Timelineinfo

05/01/2026 CVE reserved
05/13/2026 +12 days Advisory disclosed
05/13/2026 +0 days VulDB entry created
05/22/2026 +9 days VulDB entry last update

Sourcesinfo

Vendor: f5.com

Advisory: K000160916
Status: Confirmed

CVE: CVE-2026-41225 (🔒)
GCVE (CVE): GCVE-0-2026-41225
GCVE (VulDB): GCVE-100-363609
CERT Bund: WID-SEC-2026-1532 - F5 BIG-IP Produkte: Mehrere Schwachstellen

Entryinfo

Created: 05/13/2026 18:11
Updated: 05/22/2026 14:03
Changes: 05/13/2026 18:11 (75), 05/17/2026 14:43 (7), 05/22/2026 14:03 (2)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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