Advantech WebAccess/SCADA 9.2.1 unrestricted upload

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Advantech WebAccess and SCADA 9.2.1. It has been rated as critical. Impacted is an unknown function. The manipulation leads to unrestricted upload. This vulnerability is listed as CVE-2025-14849. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in Advantech WebAccess and SCADA 9.2.1. It has been rated as critical. This issue affects an unknown function. The manipulation with an unknown input leads to a unrestricted upload vulnerability. Using CWE to declare the problem leads to CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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

The weakness was presented by Alex Wiliams. It is possible to read the advisory at advantech.com. The identification of this vulnerability is CVE-2025-14849 since 12/17/2025. The exploitation is known to be easy. The attack may be initiated remotely. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/01/2026). The attack technique deployed by this issue is T1608.002 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-204323). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 9.1
VulDB Meta Temp Score: 9.1

VulDB Base Score: 8.8
VulDB Temp Score: 8.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔒

CNA Base Score: 8.8
CNA Vector (icscert): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Unrestricted upload
CWE: CWE-434 / CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

12/17/2025 CVE reserved
12/18/2025 +1 days Advisory disclosed
12/18/2025 +0 days VulDB entry created
01/01/2026 +14 days VulDB entry last update

Sourcesinfo

Vendor: advantech.com

Advisory: advantech.com
Researcher: Alex Wiliams
Status: Confirmed

CVE: CVE-2025-14849 (🔒)
GCVE (CVE): GCVE-0-2025-14849
GCVE (VulDB): GCVE-100-337463
EUVD: 🔒

Entryinfo

Created: 12/18/2025 22:30
Updated: 01/01/2026 03:55
Changes: 12/18/2025 22:30 (75), 12/31/2025 23:30 (1), 01/01/2026 03:55 (11)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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