Out-of-bounds read in WECON Technology PI Studio HMI
Priority LOW 32CWE-125Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.
Summary
WECON Technology PI Studio HMI versions 4.1.9 and prior and PI Studio versions 4.2.34 and prior lacks proper validation of user-supplied data, which may result in a read past the end of an allocated object.
Why it matters now
EPSS 0.01468 73rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| WECON | WECON Technology PI Studio HMI | PI Studio HMI versions 4.1.9 and prior and PI Studio versions 4.2.34 and prior | — | No fix listed | CNA |
- WECON Technology PI Studio HMI VendorWECON Affected PI Studio HMI versions 4.1.9 and prior and PI Studio versions 4.2.34 and prior Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:we-con:pi_studio:*:*:*:*:*:*:*:* | up to 4.2.34 | Vulnerable | WECON Technology Co., Ltd. |
| cpe:2.3:a:we-con:pi_studio_hmi:*:*:*:*:*:*:*:* | up to 4.1.9 | Vulnerable | WECON Technology Co., Ltd. |
- cpe:2.3:a:we-con:pi_studio:*:*:*:*:*:*:*:* Versions up to 4.2.34 Vulnerable ·WECON Technology Co., Ltd.
- cpe:2.3:a:we-con:pi_studio_hmi:*:*:*:*:*:*:*:* Versions up to 4.1.9 Vulnerable ·WECON Technology Co., Ltd.
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-14814
- 2026-10-03 Alias added: GHSA-95vv-pcp5-5fh4
References
More WECON vulnerabilities
- TI-2016-05016 Stack-based buffer overflow in WECON LeviStudio allows remote attackers to execute arbitrary code via a crafted file. CVSS 3.0HIGH 7.8
- TI-2018-10648 Stack-based buffer overflow in WECON PI Studio HMI CVSS 3.1CRITICAL 9.8
- TI-2016-03902 Heap-based buffer overflow in WECON LeviStudio allows remote attackers to execute arbitrary code via a crafted file. CVSS 3.1HIGH 7.8
- TI-2021-05929 Stack-based buffer overflow in WECON LeviStudioU CVSS 3.1HIGH 7.8
- TI-2021-05938 Heap-based buffer overflow in WECON LeviStudioU CVSS 3.1HIGH 7.8
- TI-2018-10640 Out-of-bounds write in WECON PI Studio HMI CVSS 3.0HIGH 8.8
Sources
- CVE-2018-14814 · CVE Program
- CVE-2018-14814 · NVD
- FIRST EPSS
- GHSA-95vv-pcp5-5fh4 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences