CVE-2026-3437
Modified
Modified - Updated After Analysis
Improper Memory Buffer Restriction in Portwell Toolkit Enables Privilege Escalation
Vulnerability report for CVE-2026-3437, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-03-03
Last updated on: 2026-06-25
Assigner: ICS-CERT
Description
Description
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 Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| portwell | engineering_toolkits | 4.8.2 |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-119 | The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data. |
