Advantech WebAccess Stack-based Buffer Overflow
Priority LOW 38CWE-121Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · CNA. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.
Summary
An attacker may exploit this vulnerability by passing an overly long value from the AccessCode argument to the control. This will overflow the static stack buffer. The attacker may then execute code on the target device remotely.
Why it matters now
EPSS 0.02672 85th percentileScored 2026-11-07
Fix Fixed WebAccess (Advantech): 7.2
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 |
|---|---|---|---|---|---|
| Advantech | WebAccess | up to 7.1 | 7.2 | Patch available | CNA |
- WebAccess VendorAdvantech Affected up to 7.1 Fixed in 7.2 Patch available CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:advantech:advantech_webaccess:*:*:*:*:*:*:*:* | up to 7.1 | Vulnerable | Advantech |
| cpe:2.3:a:advantech:advantech_webaccess:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | Advantech |
| cpe:2.3:a:advantech:advantech_webaccess:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Advantech |
| cpe:2.3:a:advantech:advantech_webaccess:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Advantech |
- cpe:2.3:a:advantech:advantech_webaccess:*:*:*:*:*:*:*:* Versions up to 7.1 Vulnerable ·Advantech
- cpe:2.3:a:advantech:advantech_webaccess:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Advantech
- cpe:2.3:a:advantech:advantech_webaccess:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Advantech
- cpe:2.3:a:advantech:advantech_webaccess:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Advantech
Remediation
- Fix · CNA WebAccess (Advantech) Fixed in 7.2
Timeline
- 2026-10-02 Threatist record created from CVE-2014-0767
- 2026-10-03 Alias added: GHSA-h6fc-w6r4-3f5v
References
More Advantech Webaccess vulnerabilities
- TI-2014-01879 Advantech WebAccess Stack-Based Buffer Overflow CVSS 2.0HIGH 7.5
- TI-2012-00235 Format string vulnerability in Advantech/BroadWin WebAccess before 7.0 allows remote… CVSS 2.0HIGH 10.0
- TI-2012-00236 Buffer overflow in an ActiveX control in bwocxrun.ocx in Advantech/BroadWin WebAccess… CVSS 2.0HIGH 10.0
- TI-2012-00233 GbScriptAddUp.asp in Advantech/BroadWin WebAccess before 7.0 does not properly perform… CVSS 2.0HIGH 10.0
- TI-2012-00231 Stack-based buffer overflow in opcImg.asp in Advantech/BroadWin WebAccess before 7.0… CVSS 2.0HIGH 10.0
- TI-2011-03898 Buffer overflow in an ActiveX control in Advantech/BroadWin WebAccess before 7.0 might… CVSS 2.0HIGH 10.0
Sources
- CVE-2014-0767 · CVE Program
- CVE-2014-0767 · NVD
- FIRST EPSS
- GHSA-h6fc-w6r4-3f5v · 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