Unrestricted File Upload Vulnerabilities in Advantech WebAccess/SCADA
CVE-2025-14849

8.7HIGH

Key Information:

Vendor

Advantech
Status
Webaccess/scada
Vendor
CVE Published:
18 December 2025

What is CVE-2025-14849?

The Advantech WebAccess/SCADA product is susceptible to a vulnerability that allows unrestricted file uploads. This flaw can be exploited by attackers to upload malicious files, potentially leading to remote code execution. Such exploitation poses significant risks as it may enable unauthorized access and control over the affected systems, resulting in severe consequences for operational technology environments. Proper mitigation strategies and security practices are essential to protect against these types of vulnerabilities.

Affected Version(s)

WebAccess/SCADA 9.2.1

References

https://www.advantech.com/en-us/support/details/installat...
https://www.cisa.gov/news-events/ics-advisories/icsa-25-3...
https://github.com/cisagov/CSAF/blob/develop/csaf_files/O...

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Alex Wiliams from Pellera Technologies reported these vulnerabilities to CISA.
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CVE-2025-14849 : Unrestricted File Upload Vulnerabilities in Advantech WebAccess/SCADA