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CVE-2026-43830 is a command injection vulnerability in the firmware upgrade file verification process of Advantech ADAM-3600 EdgeLink industrial remote terminal units. Exploitation allows an attacker to execute arbitrary commands during firmware upgrade verification. The CVE-specific affected range is versions before 2.8.5.1, although a broader advisory summary lists versions before 2.8.5.0. The vulnerability has a reported CVSS v4.0 score of 8.6.
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No public exploit code observed for this vulnerability.
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Command injection in firmware upgrade file verification permits arbitrary command execution. Authentication requirements are not specified. Reported severity: 8.6 (High).
A command injection vulnerability that could allow arbitrary command execution during firmware upgrade file verification. The advisory does not identify the affected product or specify exploitation prerequisites.
A command injection vulnerability in Advantech ADAM-3600 EdgeLink that could allow an attacker to execute arbitrary commands during the firmware upgrade file verification process.
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.