Advantech ADAM-3600 prior 2.8.5.0 null pointer dereference
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.2 | $0-$5k | 4.08- |
Summary
A vulnerability, which was classified as critical, was found in Advantech ADAM-3600. The impacted element is an unknown function. Executing a manipulation can lead to null pointer dereference. The identification of this vulnerability is CVE-2026-43839. The attack may be launched remotely. There is no exploit available. You should upgrade the affected component.
Details
A vulnerability classified as critical was found in Advantech ADAM-3600. This vulnerability affects some unknown functionality. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. CVE summarizes:
A NULL pointer dereference vulnerability in the logs management functionality could allow an unauthenticated attacker to crash the service.
The advisory is shared for download at csa.gov.sg. This vulnerability was named CVE-2026-43839 since 05/04/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.
Upgrading to version 2.8.5.0 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-104839). VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Vendor
Name
License
Website
- Vendor: https://www.advantech.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.2
VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: ADAM-3600 2.8.5.0
Timeline
05/04/2026 CVE reserved10/20/2026 Advisory disclosed
10/20/2026 VulDB entry created
10/20/2026 VulDB entry last update
Sources
Vendor: advantech.comAdvisory: csa.gov.sg
Status: Confirmed
CVE: CVE-2026-43839 (🔒)
GCVE (CVE): GCVE-0-2026-43839
GCVE (VulDB): GCVE-100-422704
EUVD: 🔒
Entry
Created: 10/20/2026 10:59Updated: 10/20/2026 19:23
Changes: 10/20/2026 10:59 (64), 10/20/2026 19:23 (1)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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