CVE-2025-67653: Advantech WebAccess/SCADA is vulnerable to directory traversal, which may allow an attacker to determine the e

Routine

MEDIUM 4.3DOWNGRADE

CVE-2025-67653 is a medium-severity flaw (CVSS 4.3) affecting webaccess\/scada. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.7% (top 46%)
CISA exploited list	No
Weakness	CWE-22
Published	2025-12-18
Last modified	2026-06-17

Publisher (CNA): ICS-CERT · Vendor: advantech

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-12-18 21:15 UTCPublished CVE record published
2026-06-17 09:57 UTCUpdated Record last modified

advantech webaccess\/scada DOWNGRADE

Affected: 9.2.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 9.2.1

1. Check installed version

apt-cache policy webaccessscada || rpm -q webaccessscada || webaccessscada --version

2. No fixed release: DOWNGRADE to a release before 9.2.1 (Debian / Ubuntu)

apt-cache madison webaccessscada sudo apt install webaccessscada=<VERSION_BEFORE_9.2.1> sudo apt-mark hold webaccessscada

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list webaccessscada sudo dnf downgrade webaccessscada-<VERSION_BEFORE_9.2.1> sudo dnf versionlock add webaccessscada

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-67653?

webaccess\/scada: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-67653 being exploited?

CVE-2025-67653 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-67653 affect?

CVE-2025-67653 affects webaccess\/scada. Severity is medium (CVSS 4.3). Advantech WebAccess/SCADA is vulnerable to directory traversal, which may allow an attacker to determine the existence of arbitrary files.

How urgent is CVE-2025-67653?

Priority 29/100. No elevated risk signals yet.

Software pages

Advantech vulnerabilities

Related CVEs

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CVE-2025-14850 HIGH 8.1 DOWNGRADE Advantech WebAccess/SCADA is vulnerable to directory traversal, which may allow an attacker to delete arbitrar
CVE-2025-14848 MEDIUM 4.3 DOWNGRADE Advantech WebAccess/SCADA is vulnerable to absolute directory traversal, which may allow an attacker to determ

References

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