CVE-2026-3437 (GCVE-0-2026-3437)

Vulnerability from cvelistv5 – Published: 2026-03-03 17:44 – Updated: 2026-06-25 14:49
VLAI
Title
Improper Restriction of Operations within the Bounds of a Memory Buffer in Portwell Engineering Toolkits
Summary
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.
Severity
9.3 (Critical)
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
8.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-03 18:58 UTC
CWE
  • CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
Assigner
icscert CNA
References
Impacted products
Vendor Product Version
Portwell Portwell Engineering Toolkits Affected: 0 , ≤ 4.8.2 (custom)
Unaffected: v5.0.0
Create a notification for this product.
Credits
Jason Huang from Cyber Threat & Product Defense Center of TXOne Networks Inc.
Show details on NVD website
To clipboard 

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