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CVE-2026-9653

CVE.org · Published

Historical CVEsJSONAI instructions

Record status
Published
Identifier year (not publication year)
2026
Source publication
Source updated
Imported by cveboard
Source snapshot
cve_2026-10-24_midnight_baseline ·

Plain text

CNA source text (English)

1756-EN2, 1756-EN3, and 1756-ENBT - Denial of Service via CIP Connection ID

A denial-of-service security issue exists across all the 1756-EN2, EN3, and ENBT communication module due to improper validation of CIP Implicit Connection packets. An attacker on the network can exploit this by sending crafted packets to continuously disrupt device connections, though device connections will recover immediately after.

Scoped product and version facts

Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.

Exploitation unknown; this catalogue does not assess exploitation.

1756-EN2, 1756-EN3

Vendor
Rockwell Automation
Product
1756-EN2, 1756-EN3
Platforms
Unknown
Default status
unaffected
1756-EN2, 1756-EN3 · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
12.001 and beforeaffectedUnavailableUnavailableUnavailableNone listed

1756-ENBT

Vendor
Rockwell Automation
Product
1756-ENBT
Platforms
Unknown
Default status
unaffected
1756-ENBT · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
6.006affectedUnavailableUnavailableUnavailableNone listed