Rockwell Automation Allen-Bradley MicroLogix 1400 Series B/C firmware 21.002 and earlier; stack-based buffer overflow that may allow remote code execution. Referenced as a firmware-currency signal on internet-exposed controllers in already-attacked water-utility cities; Forescout states exploitation would require Modbus TCP enabled, which was not confirmed, and that no CVE is confirmed as exploited in that campaign.
cve · CVE-2017-16740
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first 2026-08-10 → last 2026-08-10
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Entries about Rockwell Automation Allen-Bradley MicroLogix 1400 Series B/C firmware 21.002 and earlier; stack-based buffer overflow that may allow remote code execution. Referenced as a firmware-currency signal on internet-exposed controllers in already-attacked water-utility cities; Forescout states exploitation would require Modbus TCP enabled, which was not confirmed, and that no CVE is confirmed as exploited in that campaign.
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