F5 BIG-IP/NGINX App Protect WAF Client Request allocation of resources

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in F5 BIG-IP and NGINX App Protect WAF. This impacts an unknown function of the component Client Request Handler. Such manipulation leads to allocation of resources. This vulnerability is referenced as CVE-2025-58474. It is possible to launch the attack remotely. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in F5 BIG-IP and NGINX App Protect WAF (affected version unknown). Affected by this issue is an unknown functionality of the component Client Request Handler. The manipulation with an unknown input leads to a allocation of resources vulnerability. Using CWE to declare the problem leads to CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. Impacted is availability. CVE summarizes:

When BIG-IP Advanced WAF is configured on a virtual server with Server-Side Request Forgery (SSRF) protection or when an NGINX server is configured with App Protect Bot Defense, undisclosed requests can disrupt new client requests.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

The advisory is shared for download at my.f5.com. This vulnerability is handled as CVE-2025-58474 since 10/07/2025. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

The vulnerability scanner Nessus provides a plugin with the ID 270595 (F5 Networks BIG-IP : BIG-IP Advanced WAF and ASM and NGINX App Protect DNS lookup vulnerability (K000148512)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (270595). Once again VulDB remains the best source for vulnerability data.

Productinfo

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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: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔒

CNA Base Score: 5.3
CNA Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Allocation of resources
CWE: CWE-770 / CWE-400 / CWE-404
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: 270595
Nessus Name: F5 Networks BIG-IP : BIG-IP Advanced WAF and ASM and NGINX App Protect DNS lookup vulnerability (K000148512)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/07/2025 CVE reserved
10/15/2025 +8 days Advisory disclosed
10/15/2025 +0 days VulDB entry created
10/23/2025 +8 days VulDB entry last update

Sourcesinfo

Vendor: f5.com

Advisory: K000148512
Status: Confirmed

CVE: CVE-2025-58474 (🔒)
GCVE (CVE): GCVE-0-2025-58474
GCVE (VulDB): GCVE-100-328700

Entryinfo

Created: 10/15/2025 16:22
Updated: 10/23/2025 06:59
Changes: 10/15/2025 16:22 (74), 10/17/2025 06:49 (2), 10/23/2025 06:59 (9)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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