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Vulnerability record · CVE-2016-5645 · published 24 August 2016

CVE-2016-5645: Rockwellautomation 1766-l32awa improper access control vulnerability

Rockwellautomation · 1766 L32awa

Rockwell Automation MicroLogix 1400 PLC 1766-L32BWA, 1766-L32AWA, 1766-L32BXB, 1766-L32BWAA, 1766-L32AWAA, and 1766-L32BXBA devices have a hardcoded SNMP community, which makes it easier for remote attackers to load arbitrary firmware updates by leveraging knowledge of this community.

7.3 CVSS 3.1 High EPSS 30% · top 1.9% CWE-284 · Improper access controlCWE-798 · Hard-coded credentials
7.3CVSS 3.1 base score, v2 7.5
30%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Rockwell Automation MicroLogix 1400 PLC 1766-L32BWA, 1766-L32AWA, 1766-L32BXB, 1766-L32BWAA, 1766-L32AWAA, and 1766-L32BXBA devices have a hardcoded SNMP community, which makes it easier for remote attackers to load arbitrary firmware updates by leveraging knowledge of this community.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Affected products

6 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/92428
https://ics-cert.us-cert.gov/advisories/ICSA-16-224-01 MitigationThird Party AdvisoryUS Government Resource
http://www.securityfocus.com/bid/92428
https://ics-cert.us-cert.gov/advisories/ICSA-16-224-01 MitigationThird Party AdvisoryUS Government Resource

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2016-5645), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.