How severe is CVE-2025-54809?

CVE-2025-54809 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2025-54809 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-54809?

CVE-2025-54809 affects F5 F5 Access. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-54809?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-54809 have an EU (EUVD) identifier?

Yes. CVE-2025-54809 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24586.

When was CVE-2025-54809 published?

CVE-2025-54809 was published on 2025-08-13 and last updated on 2026-06-17.

CVE-2025-54809

CVE-2025-54809 is a high-severity vulnerability in F5 F5 Access with a CVSS 3.x base score of 7.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-295.

Key facts

Severity: High (CVSS 3.x base score 7.4)
CVSS v4: 8.8
EPSS exploit prediction: 0% (14th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-24586
Weakness: CWE-295
Affected product: F5 F5 Access
Published: 2025-08-13
Last modified: 2026-06-17

Description

F5 Access for Android before version 3.1.2 which uses HTTPS does not verify the remote endpoint identity. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Frequently asked questions

What is CVE-2025-54809?: F5 Access for Android before version 3.1.2 which uses HTTPS does not verify the remote endpoint identity. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
How severe is CVE-2025-54809?: CVE-2025-54809 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2025-54809 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-54809?: CVE-2025-54809 affects F5 F5 Access. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-54809?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-54809 have an EU (EUVD) identifier?: Yes. CVE-2025-54809 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24586.
When was CVE-2025-54809 published?: CVE-2025-54809 was published on 2025-08-13 and last updated on 2026-06-17.

References

https://my.f5.com/manage/s/article/K000152049

Affected products (1)

cpe:2.3:a:f5:f5_access:*:*:*:*:*:android:*:*

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