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.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://fathom.concord.org/
https://fathom.concord.org/download/
https://www.exploit-db.com/exploits/45294
https://www.vulncheck.com/advisories/fathom-denial-of-service-via-authorization-code-buffer-overflow

Configurations

No configuration.

History

26 Apr 2026, 22:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-04-26 22:17

Updated : 2026-04-27 18:55

NVD link : CVE-2018-25285

Mitre link : CVE-2018-25285

CVE.ORG link : CVE-2018-25285

JSON object : View

Products Affected

No product.

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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