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CVE-2026-43839 is a NULL pointer dereference vulnerability in the logs management functionality of Advantech ADAM-3600 EdgeLink versions prior to 2.8.5.0. A remote, unauthenticated attacker can trigger the dereference and crash the affected service, causing denial of service. The vulnerability has a CVSS 4.0 base score of 8.7 (High).
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No public exploit code observed for this vulnerability.
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A NULL pointer dereference in logs management functionality could allow an unauthenticated attacker to crash the service, causing denial of service. The affected product is not identified in the content.
A remotely exploitable NULL pointer dereference in the logs management functionality of Advantech ADAM-3600 could allow an unauthenticated attacker to crash the service, causing denial of service. The reference assigns a high-severity CVSS 4.0 score of 8.7 but does not specify affected versions.
NULL pointer dereference in logs management allows an unauthenticated attacker to cause a service crash and denial of service. Reported severity: 8.7 (High).
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Every observed campaign linking this CVE to a named adversary.
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Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.