cbcvebase.
CVE-2025-14849
published 2025-12-18

CVE-2025-14849: Advantech WebAccess/SCADA is vulnerable to unrestricted file upload, which may allow an attacker to remotely execute arbitrary code.

PriorityP263critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
0.53%
40.8th percentile
Advantech WebAccess/SCADA is vulnerable to unrestricted file upload, which may allow an attacker to remotely execute arbitrary code.

Affected

1 ranges
VendorProductVersion rangeFixed in
advantechwebaccess_scada——

Detection & IOCsextracted from sources · hover to see the quote

  • →CVE-2025-14849 is an unrestricted file upload (CWE-434) vulnerability in Advantech WebAccess/SCADA 9.2.1 that allows authenticated remote code execution — monitor for unexpected file uploads to the WebAccess/SCADA web interface, especially files with executable or script extensions. ↗
  • →Exploitation requires authentication (PR:L) over the network (AV:N) with no user interaction (UI:N) — alert on authenticated POST requests uploading files to WebAccess/SCADA endpoints on version 9.2.1. ↗
  • →Only Advantech WebAccess/SCADA version 9.2.1 is confirmed affected; version 9.2.2 is the patched release — inventory and flag any internet-exposed instances running 9.2.1. ↗
  • ·No known public exploitation has been reported at time of advisory publication — no in-the-wild IOCs (hashes, IPs, domains, URLs) are available from these sources. ↗
  • ·The advisory covers multiple CVEs (CVE-2025-14850, CVE-2025-14849, CVE-2025-14848, CVE-2025-46268, CVE-2025-67653) affecting the same product version; detection logic should account for the full vulnerability set, not just CVE-2025-14849. ↗

CVSS provenance

nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv4.08.7HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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