CVE-2026-109161
Received Received - Intake

Insufficient Bounds Checking Leads to DoS in Digital I/O

Publication date: 2026-11-03

Last updated on: 2026-11-03

Assigner: CERT VDE

Description
Insufficient bounds checking in the Digital I/O function may allow a remote attacker with high privileges to cause a denial of service.

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Meta Information

Published
2026-11-03
Last Modified
2026-11-03
Generated
2026-11-03
AI Q&A
2026-11-03
EPSS Evaluated
N/A
NVD
CVE-2026-109161
EUVD
EUVD-2026-115705

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
Welotec TK100 0.0.0
Welotec TK500-v2 0.0.0
Welotec TK500-v3 0.0.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-120 The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.

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Executive Summary

This vulnerability involves insufficient bounds checking in the Digital I/O function of certain Welotec devices (TK100, TK500-v2, TK500-v3). A remote attacker with high privileges could exploit this to cause a denial of service by triggering an out-of-bounds access or similar issue.

Impact Analysis

If exploited, this vulnerability could disrupt the normal operation of affected Welotec devices, leading to service unavailability or system crashes. This may impact critical processes relying on these devices, especially in industrial or automation environments.

Mitigation Strategies

Apply vendor patches or updates for the affected Welotec devices (TK100, TK500-v2, TK500-v3) to address insufficient bounds checking in the Digital I/O function.

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