How severe is CVE-2018-25285?

CVE-2018-25285 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2018-25285 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2018-25285?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2018-25285 have an EU (EUVD) identifier?

Yes. CVE-2018-25285 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2018-21805.

When was CVE-2018-25285 published?

CVE-2018-25285 was published on 2026-04-26 and last updated on 2026-06-17.

CVE-2018-25285

CVE-2018-25285 is a medium-severity vulnerability with a CVSS 3.x base score of 5.5. 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-120.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v4: 6.8
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2018-21805
Weakness: CWE-120
Published: 2026-04-26
Last modified: 2026-06-17

Description

Fathom 2.4 contains a buffer overflow vulnerability in the Authorization Code field that allows local attackers to crash the application by submitting an oversized input string. Attackers can paste a 6000-byte payload into the Authorization Code field and click Activate to trigger a denial of service condition.

Frequently asked questions

What is CVE-2018-25285?: Fathom 2.4 contains a buffer overflow vulnerability in the Authorization Code field that allows local attackers to crash the application by submitting an oversized input string. Attackers can paste a 6000-byte payload into the Authorization Code field and click Activate to trigger a denial of service condition.
How severe is CVE-2018-25285?: CVE-2018-25285 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2018-25285 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2018-25285?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2018-25285 have an EU (EUVD) identifier?: Yes. CVE-2018-25285 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2018-21805.
When was CVE-2018-25285 published?: CVE-2018-25285 was published on 2026-04-26 and last updated on 2026-06-17.

References

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