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CVE-2025-66216

Aiscatcher Ais-catcher buffer overflow

9.8 CRITICALPublic exploitEPSS 0.51%
  1. Published29 Nov 2025

Description

AIS-catcher is a multi-platform AIS receiver. Prior to version 0.64, a heap buffer overflow vulnerability has been identified in the AIS::Message class of AIS-catcher. This vulnerability allows an attacker to write approximately 1KB of arbitrary data into a 128-byte buffer. This issue has been patched in version 0.64.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Aiscatcher Ais-catcher< 0.64

Remediation

Fixed in
Aiscatcher Ais-catcher≥ 0.64

References

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Frequently asked

Is CVE-2025-66216 being actively exploited?

CVE-2025-66216 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.51%.

How severe is CVE-2025-66216?

CVE-2025-66216 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.51% probability of exploitation.

Which products are affected by CVE-2025-66216?

Affected products include Aiscatcher Ais-catcher.

How do I fix CVE-2025-66216?

Upgrade affected software to a fixed version, for example Aiscatcher Ais-catcher 0.64 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-66216 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.