| CVE ID | CVSS Score | Severity | Description |
|---|---|---|---|
| CVE-2026-0646 | 7.5 | high |
A denial-of-service security issue exists within the 1794-AENTR adapter due to improper memory handling of CIP protocol requests. This vulnerability can result in the adapter faulting and losing connection to its associated I/O modules, requiring a manual reset to recover.
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| CVE-2026-0647 | 9.4 | critical |
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.
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