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CVE-2026-43838 is a remotely exploitable stack-based buffer overflow in the login functionality of Advantech ADAM-3600 EdgeLink versions prior to 2.8.5.0, an industrial remote terminal unit platform used for data acquisition and remote monitoring. Successful exploitation could allow an attacker to execute code on the affected device. The vulnerability has a critical CVSS 4.0 base score of 9.2.
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No public exploit code observed for this vulnerability.
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A stack-based buffer overflow in login functionality that could allow attacker-controlled code execution. The advisory does not identify the affected product or versions.
A remotely exploitable stack-based buffer overflow in the login functionality of Advantech ADAM-3600 could allow code execution. The reference assigns a critical CVSS 4.0 score of 9.2 but does not identify affected versions. It recommends patching, updating, input sanitization, and buffer bounds checking, without identifying a released patch or fixed version.
Critical stack buffer overflow in login functionality permits code execution. Authentication requirements are not explicitly specified. Reported severity: 9.2.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.