A vulnerability has been identified in Tecnomatix RobotExpert (All versions < V16.1).

published 2021-04-22 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-12562

cvss: 7.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.9%; EPSS 0.9% chance of exploitation in 30 days, percentile 59%
public exploits: 0; none known

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)

Patch / fix

fixed in 1

siemens tecnomatix_robotexpert 16.1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-21-103-12 updated 2025-05-06 cvss 7.8

Siemens Tecnomatix RobotExpert

Siemens Tecnomatix RobotExpert <V16.1
affected: fixed in V16.1, mitigation

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

Exploit prediction

0.89% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	2.0	6.8	AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

Siemens Tecnomatix RobotExpert

Classification

Weakness

CWE-787 Out-of-bounds Write

References

cert-portal.siemens.com /productcert/pdf/ssa-163226.pdf
vendor-advisory

Sources

CVE List CVE-2021-25670
NVD CVE-2021-25670

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Summary