CVE-2025-54479
BIG-IP PEM vulnerability
Reported by f5 · Published October 15, 2025
When a classification profile is configured on a virtual server without an HTTP or HTTP/2 profile, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| big-ip_policy_enforcement_manager | f5 | 17.1.3, 16.1.6.1, 15.1.10.8 |
| BIG-IP | F5 | 17.5.1, 17.1.3, 17.1.2.2, 16.1.6.1, 16.1.6, 15.1.10.8 |
| big-ip_next_cloud-native_network_functions | f5 | 1.4.0 |
Risk scores
Affected products
| Vendor | Product | Versions |
|---|---|---|
| F5 | BIG-IP | 17.5.0, 17.1.0, 16.1.0 |
| F5 | BIG-IP Next CNF | 2.0.0, 1.1.0 |
| F5 | BIG-IP Next for Kubernetes | 2.0.0 |
| F5 | BIG-IP | 17.5.0, 17.1.0, 16.1.0 |
| F5 | BIG-IP Next CNF | 2.0.0, 1.1.0 |
| F5 | BIG-IP Next for Kubernetes | 2.0.0 |
Timeline
- Oct 15, 2025 Coalition ESS Score (14 in total, the first dated here)
- Oct 15, 2025 CVE Published
- Oct 15, 2025 CVE Updated
- Oct 15, 2025 PoC Published (3 in total, the first dated here)
- Oct 16, 2025 EPSS Score (30 in total, the first dated here)
- Mar 17, 2026 Security Advisory (4 in total, the first dated here)
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln CVE-2025-54479
vulnetix vdb fixes CVE-2025-54479
Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/CVE-2025-54479/fixes/registry"
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