PT-2026-22767 · Portwell · Portwell Engineering Toolkits

Jason Huang · Published 2026-03-03 · Updated 2026-03-03 · CVE-2026-3437

Positive Technologies (AI Summary)

CVSS v4.0

9.3

Critical

Base vector

AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Name of the Vulnerable Software and Affected Versions Portwell Engineering Toolkits version 4.8.2

Description An Improper Restriction of Operations within the Bounds of a Memory Buffer issue exists in Portwell Engineering Toolkits. A local authenticated attacker could potentially read and write to arbitrary memory via the Portwell Engineering Toolkits driver. Successful exploitation may lead to escalation of privileges or a denial-of-service condition.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

LPE

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2026-3437

Affected Products

Portwell Engineering Toolkits

References · 7

• https://osv.dev/vulnerability/CVE-2026-3437 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-3437 · Security Note
• https://twitter.com/infoflowcloud/status/2028902109245006159 · Twitter Post
• https://twitter.com/CVEnew/status/2028900642668814773 · Twitter Post
• https://twitter.com/VulmonFeeds/status/2028916548224553018 · Twitter Post
• https://cisa.gov/news-events/ics-advisories/icsa-26-062-04 · Note
• https://t.me/CVEtracker/46238 · Telegram Post