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TI-2018-11193 Aliases CVE-2018-15705GHSA-mg4r-8g5w-f8f3

Path traversal in Advantech WebAccess

Priority MEDIUM 43CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · High · None
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

WADashboard API in Advantech WebAccess 8.3.1 and 8.3.2 allows remote authenticated attackers to write or overwrite any file on the filesystem due to a directory traversal vulnerability in the writeFile API. An attacker can use this vulnerability to remotely execute arbitrary code.

Why it matters now

EPSS 0.12236 96th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged 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

VendorProductAffected versionsFixed inStatusSource
AdvantechAdvantech WebAccess8.3.1 and 8.3.2—No fix listedCNA
  • Advantech WebAccess VendorAdvantech Affected 8.3.1 and 8.3.2 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:advantech:webaccess:8.3.1:*:*:*:*:*:*:*8.3.1VulnerableAdvantech
cpe:2.3:a:advantech:webaccess:8.3.2:*:*:*:*:*:*:*8.3.2VulnerableAdvantech
  • cpe:2.3:a:advantech:webaccess:8.3.1:*:*:*:*:*:*:* Versions 8.3.1 Vulnerable ·Advantech
  • cpe:2.3:a:advantech:webaccess:8.3.2:*:*:*:*:*:*:* Versions 8.3.2 Vulnerable ·Advantech

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-15705
  2. 2026-10-03 Alias added: GHSA-mg4r-8g5w-f8f3

References

Exploit 2

  • 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