Description
Improper Check for Unusual or Exceptional Conditions vulnerability exists in Triconex TCM 4351B installed on Tricon V11.3.x systems that could cause module reset when TCM receives malformed TriStation packets while the write-protect keyswitch is in the program position.
References (1)
Core 1
Core References
Vendor Advisory x_refsource_misc
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-03
Scores
CVSS v3
3.9
EPSS
0.0006
EPSS Percentile
17.2%
Attack Vector
PHYSICAL
CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-754
Status
published
Products (3)
schneider-electric/tcm_4351b_firmware
11.7.0
schneider-electric/tcm_4351b_firmware
11.3.0 - 11.5.1
schneider-electric/triconex_model_3009_mp_firmware
11.3.0 - 11.8.0
Published
May 26, 2021
Tracked Since
Feb 18, 2026