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TI-2017-12304 Aliases CVE-2017-16740GHSA-f8m9-fwqj-74hf

Buffer overflow in Rockwell Automation Allen-Bradley MicroLogix 1400 Controllers

Priority MEDIUM 53CWE-120Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.

Summary

A Buffer Overflow issue was discovered in Rockwell Automation Allen-Bradley MicroLogix 1400 Controllers, Series B and C Versions 21.002 and earlier. The stack-based buffer overflow vulnerability has been identified, which may allow remote code execution.

Why it matters now

EPSS 0.07204 94th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Rockwell Automation Allen-Bradley MicroLogix 1400 ControllersRockwell Automation Allen-Bradley MicroLogix 1400 Controllers—No fix listedCNA
  • Rockwell Automation Allen-Bradley MicroLogix 1400 Controllers Vendor— Affected Rockwell Automation Allen-Bradley MicroLogix 1400 Controllers Fixed in — No fix listed CNA

CPE configurations NVD · 12

CPEVersionsRoleVendor
cpe:2.3:o:rockwellautomation:1766-l32bxba_firmware:*:*:*:*:*:*:*:*up to 21.002VulnerableRockwell
cpe:2.3:h:rockwellautomation:1766-l32bxba:-:*:*:*:*:*:*:*not specified by NVDRunning onRockwell
cpe:2.3:o:rockwellautomation:1766-l32awa_firmware:*:*:*:*:*:*:*:*up to 21.002VulnerableRockwell
cpe:2.3:h:rockwellautomation:1766-l32awa:-:*:*:*:*:*:*:*not specified by NVDRunning onRockwell
cpe:2.3:o:rockwellautomation:1766-l32bxb_firmware:*:*:*:*:*:*:*:*up to 21.002VulnerableRockwell
cpe:2.3:h:rockwellautomation:1766-l32bxb:-:*:*:*:*:*:*:*not specified by NVDRunning onRockwell
cpe:2.3:o:rockwellautomation:1766-l32bwaa_firmware:*:*:*:*:*:*:*:*up to 21.002VulnerableRockwell
cpe:2.3:h:rockwellautomation:1766-l32bwaa:-:*:*:*:*:*:*:*not specified by NVDRunning onRockwell
cpe:2.3:o:rockwellautomation:1766-l32awaa_firmware:*:*:*:*:*:*:*:*up to 21.002VulnerableRockwell
cpe:2.3:h:rockwellautomation:1766-l32awaa:-:*:*:*:*:*:*:*not specified by NVDRunning onRockwell
  • cpe:2.3:o:rockwellautomation:1766-l32bxba_firmware:*:*:*:*:*:*:*:* Versions up to 21.002 Vulnerable ·Rockwell
  • cpe:2.3:h:rockwellautomation:1766-l32bxba:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Rockwell
  • cpe:2.3:o:rockwellautomation:1766-l32awa_firmware:*:*:*:*:*:*:*:* Versions up to 21.002 Vulnerable ·Rockwell
  • cpe:2.3:h:rockwellautomation:1766-l32awa:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Rockwell
  • cpe:2.3:o:rockwellautomation:1766-l32bxb_firmware:*:*:*:*:*:*:*:* Versions up to 21.002 Vulnerable ·Rockwell
  • cpe:2.3:h:rockwellautomation:1766-l32bxb:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Rockwell
  • cpe:2.3:o:rockwellautomation:1766-l32bwaa_firmware:*:*:*:*:*:*:*:* Versions up to 21.002 Vulnerable ·Rockwell
  • cpe:2.3:h:rockwellautomation:1766-l32bwaa:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Rockwell
  • cpe:2.3:o:rockwellautomation:1766-l32awaa_firmware:*:*:*:*:*:*:*:* Versions up to 21.002 Vulnerable ·Rockwell
  • cpe:2.3:h:rockwellautomation:1766-l32awaa:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Rockwell
Show 2 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:rockwellautomation:1766-l32bwa_firmware:*:*:*:*:*:*:*:*up to 21.002VulnerableRockwell
cpe:2.3:h:rockwellautomation:1766-l32bwa:-:*:*:*:*:*:*:*not specified by NVDRunning onRockwell
  • cpe:2.3:o:rockwellautomation:1766-l32bwa_firmware:*:*:*:*:*:*:*:* Versions up to 21.002 Vulnerable ·Rockwell
  • cpe:2.3:h:rockwellautomation:1766-l32bwa:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Rockwell

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-16740
  2. 2026-10-03 Alias added: GHSA-f8m9-fwqj-74hf

References

Advisory 1

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences