CVE-2026-22548
Unknown
Unknown - Not Provided
Denial of Service via bd Process Crash in BIG-IP WAF/ASM
Publication date: 2026-02-04
Last updated on: 2026-02-13
Assigner: F5 Networks
Description
Description
When a BIG-IP Advanced WAF or ASM security policy is configured on a virtual server, undisclosed requests along with conditions beyond the attacker's control can cause the bd process to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| f5 | big-ip_advanced_web_application_firewall | From 17.1.0 (inc) to 17.1.3 (exc) |
| f5 | big-ip_application_security_manager | From 17.1.0 (inc) to 17.1.3 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-362 | The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability occurs when a BIG-IP Advanced WAF or ASM security policy is configured on a virtual server. Under certain undisclosed request conditions, which are beyond the attacker's control, the bd process can terminate unexpectedly.
How can this vulnerability impact me? :
The vulnerability can cause the bd process to terminate, which may lead to denial of service or disruption of the security functions provided by the BIG-IP Advanced WAF or ASM, potentially impacting the availability of the protected services.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know
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