TI-2018-05047 Aliases CVE-2018-6911 GHSA-r49c-w6f5-7rcw

The VBWinExec function in Node\AspVBObj.dll in Advantech WebAccess 8.3.0 allows remote…

MEDIUM 56CWE-78Published 2018-02-13 · Updated 2024-08-05

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
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-78.

Summary

The VBWinExec function in Node\AspVBObj.dll in Advantech WebAccess 8.3.0 allows remote attackers to execute arbitrary OS commands via a single argument (aka the command parameter).

Why it matters now

EPSS 0.12798 96th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA and NVD

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
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:advantech:webaccess:8.3.0:::::::*	8.3.0	Vulnerable	Advantech

cpe:2.3:a:advantech:webaccess:8.3.0:*:*:*:*:*:*:* Versions 8.3.0 Vulnerable ·Advantech

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2018-6911
2026-10-03 Alias added: GHSA-r49c-w6f5-7rcw

References

Exploit 1

44031

TI-2016-00768 Unrestricted file upload vulnerability in the uploadImageCommon function in the… CVSS 3.0CRITICAL 9.8
TI-2017-12289 Path traversal in Advantech WebAccess CVSS 3.0CRITICAL 9.8
TI-2016-00771 Multiple heap-based buffer overflows in Advantech WebAccess before 8.1 allow remote… CVSS 3.0CRITICAL 9.8
TI-2016-00770 Multiple stack-based buffer overflows in Advantech WebAccess before 8.1 allow remote… CVSS 3.0CRITICAL 9.8
TI-2018-11192 Out-of-bounds write in Advantech WebAccess CVSS 3.0HIGH 8.8
TI-2021-16012 Stack-based buffer overflow in Advantech WebAccess CVSS 3.1CRITICAL 9.8

See all 102 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences