Read the docs
TI-2019-10188 Aliases CVE-2019-13556GHSA-rxcj-pf3v-8g36

Stack-based buffer overflow in WebAccess

Priority MEDIUM 42CWE-121Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
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 3.1 · NVD. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.

Summary

In WebAccess versions 8.4.1 and prior, multiple stack-based buffer overflow vulnerabilities are caused by a lack of proper validation of the length of user-supplied data. Exploitation of these vulnerabilities may allow remote code execution.

Why it matters now

EPSS 0.02123 82nd 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

VendorProductAffected versionsFixed inStatusSource
—WebAccessup to 8.4.1—No fix listedCNA
  • WebAccess Vendor— Affected up to 8.4.1 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:advantech:webaccess:*:*:*:*:*:*:*:*up to 8.4.1VulnerableAdvantech
  • cpe:2.3:a:advantech:webaccess:*:*:*:*:*:*:*:* Versions up to 8.4.1 Vulnerable ·Advantech

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-13556
  2. 2026-10-03 Alias added: GHSA-rxcj-pf3v-8g36

References

  • 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