Advantech WebAccess/SCADA Path Traversal

published 2025-12-18 10 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-204324

cvss: 4.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 54%
public exploits: 0; none known

Advantech WebAccess/SCADA is vulnerable to directory traversal, which may allow an attacker to determine the existence of arbitrary files.

Patch / fix

fixed in 2

advantech webaccess 9.2.2
advantech webaccess/scada 9.2.2

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-25-352-06 updated 2025-12-18 cvss 4.3

Advantech WebAccess/SCADA

Advantech WebAccess/SCADA 9.2.1
affected: vendor fix advantech.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 10 mo ago (2025-12-18)

Exploit prediction

0.72% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CNA	4.0	5.3	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CNA	4.0	5.3	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/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
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

Advantech WebAccess/SCADA

Classification

Weakness

CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

advantech.com /en-us/support/details/installation?id=1-MS9MJV
product
cisa.gov /news-events/ics-advisories/icsa-25-352-06
third-party-advisory, us-government-resource
github.com /cisagov/CSAF/blob/develop/csaf_files/OT/white/2025/icsa-25-352-06.json
third-party-advisory

Sources

CVE List CVE-2025-67653
NVD CVE-2025-67653

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.

Summary