CVE-2022-41648

Critical

Description

The HEIDENHAIN Controller TNC 640 NC software Version 340590 07 SP5, is vulnerable to improper authentication in its DNC communication for CNC machines. Authentication is not enabled by default for DNC communication. This vulnerability may allow an attacker to deny service on the production line, steal sensitive data from the production line, and alter any products created by the production line. Note: CNC machines running the TNC 640 controller require DNC to be enabled for DNC communication to be present.

SeverityCritical
CVSS9.8
Exploit probability—
ProductHeidenhain Tnc 640 Programming Station
PublishedOct 28, 2022
First seenOct 28, 2022
Weakness typeCWE-1188CWE-1188

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
heidenhain tnc_640_programming_station340590_07—
heidenhain heros5.08.3—

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