CVEPublished 2026-07-14Modified 2026-07-140 articles on news5 live referencesNVD data

CVE-2026-9653

Vulnerability data via NVD (ingested)

CVSS v3.1
EPSS percentile
Description

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.

Timeline
Published 2026-07-14
Modified 2026-07-14

External references

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

More intel sources (5)

Known PoCs on GitHub

No public proof-of-concept repositories found for CVE-2026-9653 on GitHub.
We haven't classified any articles referencing CVE-2026-9653 yet. The external references above still apply.