CVE-2026-3437
9.3
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
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Portwell | Portwell Engineering Toolkits | 0 <= 4.8.2 | affected |
| Portwell | Portwell Engineering Toolkits | v5.0.0 | unaffected |
Weaknesses
- CWE-119: CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
References
- https://software.portwell.tw/security-advisory/PWS-2026-3437.html
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-062-04
- https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-062-04.json
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