How severe is CVE-2025-14849?

CVE-2025-14849 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-14849 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-14849?

CVE-2025-14849 affects Advantech Webaccess/scada. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-14849?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-14849 have an EU (EUVD) identifier?

Yes. CVE-2025-14849 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-204323.

When was CVE-2025-14849 published?

CVE-2025-14849 was published on 2025-12-18 and last updated on 2026-06-17.

CVE-2025-14849

CVE-2025-14849 is a high-severity vulnerability in Advantech Webaccess/scada with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-434.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v4: 8.7
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-204323
Weakness: CWE-434
Affected product: Advantech Webaccess/scada
Published: 2025-12-18
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2025-14849?: Advantech WebAccess/SCADA is vulnerable to unrestricted file upload, which may allow an attacker to remotely execute arbitrary code.
How severe is CVE-2025-14849?: CVE-2025-14849 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-14849 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-14849?: CVE-2025-14849 affects Advantech Webaccess/scada. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-14849?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-14849 have an EU (EUVD) identifier?: Yes. CVE-2025-14849 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-204323.
When was CVE-2025-14849 published?: CVE-2025-14849 was published on 2025-12-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:advantech:webaccess\/scada:9.2.1:*:*:*:*:*:*:*

More vulnerabilities in Advantech Webaccess/scada

CVE-2023-1437 — Critical (CVSS 9.8): All versions prior to 9.1.4 of Advantech WebAccess/SCADA are vulnerable to use of untrusted pointers. The RPC arguments…
CVE-2021-32943 — Critical (CVSS 9.8): The affected product is vulnerable to a stack-based buffer overflow, which may allow an attacker to remotely execute…
CVE-2019-6523 — Critical (CVSS 9.8): WebAccess/SCADA, Version 8.3. The software does not properly sanitize its inputs for SQL commands.
CVE-2019-6519 — Critical (CVSS 9.8): WebAccess/SCADA, Version 8.3. An improper authentication vulnerability exists that could allow a possible…
CVE-2021-22669 — High (CVSS 8.8): Incorrect permissions are set to default on the ‘Project Management’ page of WebAccess/SCADA portal of…
CVE-2020-25161 — High (CVSS 8.8): The WADashboard component of WebAccess/SCADA Versions 9.0 and prior may allow an attacker to control or influence a…

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