Vulnerability details
CVE-2026-3437
Portwell Engineering Toolkits
Improper Restriction of Operations within the Bounds of a Memory Buffer in Portwell Engineering Toolkits
CVSS 4.0
9.3Critical
Official 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
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.3Critical | 4.0 | CVEProject cvelistV5 (CNA) (icscert) | 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 |
| 8.8High | 3.1 | CVEProject cvelistV5 (CNA) (icscert) | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Portwell | Portwell Engineering Toolkits | v ≤ 4.8.2 | CVEProject cvelistV5 (CNA) |
References and advisories
3
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Details
- Published
- 2026-03-03
- Last updated
- 2026-06-25
- State
- Published
- Assigner (CNA)
- icscert
Exploit prediction (EPSS)
0.17%
Probability of exploitation in 30 days
7.2%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer