High severity7.5NVD Advisory· Published Sep 20, 2017· Updated Jun 17, 2026
CVE-2017-7924
CVE-2017-7924
Description
An Improper Input Validation issue was discovered in Rockwell Automation MicroLogix 1100 controllers 1763-L16BWA, 1763-L16AWA, 1763-L16BBB, and 1763-L16DWD. A remote, unauthenticated attacker could send a single, specially crafted Programmable Controller Communication Commands (PCCC) packet to the controller that could potentially cause the controller to enter a DoS condition.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4- cpe:2.3:o:rockwellautomation:1763-l16awa_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:rockwellautomation:1763-l16bbb_firmware:-:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:rockwellautomation:1763-l16bbb_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:rockwellautomation:1763-l16bwa_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:rockwellautomation:1763-l16dwd_firmware:-:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
2- www.securityfocus.com/bid/99622nvdThird Party AdvisoryVDB Entry
- ics-cert.us-cert.gov/advisories/ICSA-17-138-03nvdMitigationThird Party AdvisoryUS Government Resource
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