How severe is CVE-2025-0638?

CVE-2025-0638 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-0638 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-0638?

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-2025-0638 have an EU (EUVD) identifier?

Yes. CVE-2025-0638 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-1802.

When was CVE-2025-0638 published?

CVE-2025-0638 was published on 2025-01-22 and last updated on 2026-06-17.

CVE-2025-0638

CVE-2025-0638 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. 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-1286.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-1802
Weakness: CWE-1286
Published: 2025-01-22
Last modified: 2026-06-17

Description

The initial code parsing the manifest did not check the content of the file names yet later code assumed that it was checked and panicked when encountering illegal characters, resulting in a crash of Routinator.

Frequently asked questions

What is CVE-2025-0638?: The initial code parsing the manifest did not check the content of the file names yet later code assumed that it was checked and panicked when encountering illegal characters, resulting in a crash of Routinator.
How severe is CVE-2025-0638?: CVE-2025-0638 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-0638 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-0638?: 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-2025-0638 have an EU (EUVD) identifier?: Yes. CVE-2025-0638 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-1802.
When was CVE-2025-0638 published?: CVE-2025-0638 was published on 2025-01-22 and last updated on 2026-06-17.

References

https://www.nlnetlabs.nl/downloads/routinator/CVE-2025-0638.txt

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