CVE-2026-3437

An improper restriction of operations within the bounds of a memory buffer vulnerability in Portwell Engineering Toolkits version 4.8.2 could allow a local authenticated attacker to read and write to arbitrary memory via the Portwell Engineering Toolkits driver. Successful exploitation of this vulnerability could result in escalation of privileges or cause a denial-of-service condition.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.0 / Impact : 6.0

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References

Link	Resource
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-062-04.json
https://software.portwell.tw/security-advisory/PWS-2026-3437.html
https://www.cisa.gov/news-events/ics-advisories/icsa-26-062-04	Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

cpe:2.3:a:portwell:engineering_toolkits:4.8.2:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-03-03 18:16

Updated : 2026-06-25 16:16

NVD link : CVE-2026-3437

Mitre link : CVE-2026-3437

CVE.ORG link : CVE-2026-3437

JSON object : View

Products Affected

portwell

engineering_toolkits

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

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