← Vulnerability feed

Vulnerability record · CVE-2026-42468 · published 1 May 2026

CVE-2026-42468: Openvehicles open vehicle monitoring system firmware stack-based buffer overflow vulnerability

Openvehicles · Open Vehicle Monitoring System Firmware

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.

8.8 CVSS 3.1 High EPSS 0.70% · top 48.6% CWE-121 · Stack-based buffer overflow
8.8CVSS 3.1 base score
0.70%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://gist.github.com/sgInnora/f4ac66faeefe07a653ceeb3f58cdc381 Third Party Advisory
https://github.com/openvehicles/Open-Vehicle-Monitoring-System-3/issues/1392 Issue Tracking

Track CVE-2026-42468 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2026-37541Openvehicles open vehicle monitoring system firmware stack-based buffer overflow vulnerabilityBuffer overflow vulnerability in Open Vehicle Monitoring System 3 (OVMS3) 3.3.005. In canformat_gvret.cpp, the length field in GVRET binary data is n…EPSS 1.1%8.6CVE-2026-42469Openvehicles open vehicle monitoring system firmware stack-based buffer overflow vulnerabilityBuffer overflow vulnerability in Open Vehicle Monitoring System 3 (OVMS3) 3.3.005. In canformat_canswitch.cpp the parser does not properly validate a…EPSS 0.61%8.8CVE-2026-7273Zyxel gs1900-8 firmware stack-based buffer overflow vulnerabilityA stack-based buffer overflow vulnerability in the CGI program of Zyxel GS1900-48HPv2 firmware versions through 2.90(ABTQ.1)C0 could allow a LAN-base…KEVEPSS 2.5%8.1CVE-2021-27137DD-WRT UPnP M-SEARCH stack buffer overflowDD-WRT before 45724 contains an unsafe strcpy in the UPnP SSDP handling code (ssdp_msearch), reachable via an M-SEARCH request, that overflows a fixe…KEVEPSS 4.0%analysed9.3CVE-2025-53521F5 BIG-IP APM stack buffer overflow allows remote code executionA stack-based buffer overflow (CWE-121) exists in F5 BIG-IP Access Policy Manager when an APM access policy is configured on a virtual server. Specif…KEVEPSS 2.3%analysed8.8CVE-2008-0015Microsoft DirectShow Video ActiveX Control Stack Buffer OverflowA stack-based buffer overflow in the CComVariant::ReadFromStream function in the Active Template Library (ATL) is reachable through the MPEG2TuneRequ…KEVEPSS 77%analysed7.7CVE-2025-20352Cisco IOS and IOS XE SNMP stack overflow allows DoS and root code executionA stack-based buffer overflow in the SNMP subsystem of Cisco IOS and IOS XE Software can be triggered by a crafted SNMP packet sent over IPv4 or IPv6…KEVEPSS 39%analysed9.8CVE-2025-32756Fortinet FortiMail, FortiNDR, FortiVoice, FortiRecorder, FortiCamera stack buffer overflowA stack-based buffer overflow (CWE-121/CWE-787) in multiple Fortinet products is reachable by sending HTTP requests with a specially crafted hash coo…KEVEPSS 30%analysed

Source: NIST National Vulnerability Database (record CVE-2026-42468), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.