CVE-2025-59478

Q: How do I fix CVE-2025-59478?

Upgrade big-ip advanced firewall manager to 17.1.3 or later.

Q: Is CVE-2025-59478 being actively exploited?

Not that we know of. CVE-2025-59478 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.34% is the estimated probability that it will be exploited in the next 30 days. That is higher than 27% of all scored CVEs.

Q: How severe is CVE-2025-59478?

CVE-2025-59478 has a CVSS v3 base score of 7.5, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2025-59478 affect?

Published advisories record a fix for big-ip advanced firewall manager (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

HIGH

7.5

CVSS v3

NVD

Description

When a BIG-IP AFM denial-of-service (DoS) protection profile is configured on a virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) process to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CWE-824

How to fix

Remediation Available

big-ip advanced firewall managerNVD

Affected:>= 17.1.0, < 17.1.3Fixed in:17.1.3CVE-2025-59478derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.34%probability of exploitation in 30 days

27thpercentile

Low risk: more likely to be exploited than 27% of all known CVEs.

References

Vendor Advisory1

my.f5.com

Related Vulnerabilities

Other CWE-824 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2018-9948	Medium	6.5	64%	-	-
CVE-2018-11803	High	7.5	58%	-	Fix
CVE-2022-21971	High	7.8	54%	KEV	Fix
CVE-2010-1818	High	9.3	43%	-	-
CVE-2015-1770	High	8.8	35%	KEV	-
CVE-2017-12561	Critical	9.8	31%	-	-

Common questions

How do I fix CVE-2025-59478?

Upgrade big-ip advanced firewall manager to 17.1.3 or later.

Is CVE-2025-59478 being actively exploited?

Not that we know of. CVE-2025-59478 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.34% is the estimated probability that it will be exploited in the next 30 days. That is higher than 27% of all scored CVEs.

How severe is CVE-2025-59478?

CVE-2025-59478 has a CVSS v3 base score of 7.5, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2025-59478 affect?

Published advisories record a fix for big-ip advanced firewall manager (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-22.