CVE-2021-25670

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-04-22 · updated 2026-06-17
Weakness: CWE-787

Description

A vulnerability has been identified in Tecnomatix RobotExpert (All versions < V16.1). Affected applications lack proper validation of user-supplied data when parsing CELL files. This could result in an out of bounds write past the end of an allocated structure. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-12608)

Affected products

Siemens Tecnomatix RobotExpert: before 16.1 — fixed in 16.1

How to fix

Upgrade to a fixed version: Siemens Tecnomatix RobotExpert 16.1. Check the vendor advisory for mitigations.

References

https://cert-portal.siemens.com/productcert/pdf/ssa-163226.pdf
https://cert-portal.siemens.com/productcert/pdf/ssa-163226.pdf

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