Rockwell Automation MicroLogix 1400 PLC 1766-L32BWA, 1766-L32AWA, 1766-L32BXB, 1766-L32BWAA, 1766-L32AWAA, and 1766-L32BXBA devices have a…

Published 10 y ago 2016-08-24 · modified 4 mo ago 2026-06-17 · JSON

CVSS

7.3

v3.1 · CNA

CISA KEV

not known exploited

EPSS

38.5%

percentile 99%

Public exploits

none known

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.

CISA SSVC assessment

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 5 mo ago 2026-06-03

Exploit prediction (EPSS)

38.48% probability of exploitation in the next 30 days, higher than 99% of all scored CVEs.

CVSS scores

Assigned by	Version	Score	Vector
CISA ADP	3.1	7.3	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L`
CNA	3.1	7.3	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L`
NVD	3.0	7.3	`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L`
NVD	2.0	7.5	`AV:N/AC:L/Au:N/C:P/I:P/A:P`

Classification

Weakness

CWE-798 Use of Hard-coded Credentials
CWE-284 Improper Access Control

References

securityfocus.com /bid/92428 · vdb-entry, x_refsource_BID, x_transferred
ics-cert.us-cert.gov /advisories/ICSA-16-224-01 · x_refsource_MISC, x_transferred

Sources

CVE List: CVE-2016-5645
NVD: CVE-2016-5645

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.