Is CVE-2026-42468 actively exploited?

No active exploitation of CVE-2026-42468 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-42468 be exploited remotely?

Yes. CVE-2026-42468 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-42468?

CVE-2026-42468 has a CVSS score of 8.8 (HIGH).

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HIGH

CVE-2026-42468

CWE-121Published: May 1, 2026· Updated: May 7, 2026

8.8

CVSS v3.1

EPSS:0.12%probability of exploitation in 30 daysPercentile:30.6th

Official Description

Buffer overflow vulnerability in Open Vehicle Monitoring System 3 (OVMS3) 3.3.005. In canformat_pcap.cpp , the parser's phdr.len field is not properly validated, allowing remote attackers to cause a denial of service or possibly execute arbitrary code via crafted PCAP input.

NVD Source

Technical Analysis

CVE-2026-42468 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.