Out-of-bounds write in WECON PI Studio HMI
Priority MEDIUM 41CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
WECON Technology Co., Ltd. PI Studio HMI versions 4.1.9 and prior and PI Studio versions 4.2.34 and prior parse files and pass invalidated user data to an unsafe method call, which may allow code to be executed in the context of an administrator.
Why it matters now
EPSS 0.01702 77th 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 | PI Studio HMI | up to 4.1.9 | — | No fix listed | CNA |
| WECON | PI Studio | up to 4.2.34 | — | No fix listed | CNA |
- PI Studio HMI VendorWECON Affected up to 4.1.9 Fixed in — No fix listed CNA
- PI Studio VendorWECON Affected up to 4.2.34 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-2018-14810
- 2026-10-03 Alias added: GHSA-5f5v-7w3c-2rm9
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-2021-19739 Stack-based buffer overflow in WECON LeviStudioU CVSS 3.1HIGH 7.8
Sources
- CVE-2018-14810 · CVE Program
- CVE-2018-14810 · NVD
- FIRST EPSS
- GHSA-5f5v-7w3c-2rm9 · 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