CVE-2026-0647
An improper authentication security issue exists within the 1794-AENTR adapter's embedded web server. The vulnerability allows an unauthenticated attacker to change the device's web interface password by sending a crafted HTTP GET request to a specific endpoint, without any prior authentication being required. If exploited, this could lead to unauthorized access, account takeover, and loss of the device’s embedded web server’s availability.
Published:Jun 16, 2026
Last Modified:Jun 26, 2026
EPS:Jun 16, 2026
EPSS Score:0.00435
CVSS Score:8.8
Affected Products
Vendor
Product
Action
Vendor
Rockwellautomation
Product
Flex I/o Ethernet/ip Adapter
Rockwellautomation
Flex I/o Ethernet/ip Adapter
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
