CVE-2026-109161

Buffer Overflow in Digital I/O

Published Nov 3, 2026 CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
Description
Insufficient bounds checking in the Digital I/O function may allow a remote attacker with high privileges to cause a denial of service.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Insufficient bounds checking in the Digital I/O function may allow a remote attacker with high privileges to cause a denial of service.
Title Buffer Overflow in Digital I/O
First Time appeared Welotec
Welotec tk100
Welotec tk500 V2
Welotec tk500 V3
Weaknesses CWE-120
CPEs cpe:2.3:h:welotec:tk100:*:*:*:*:*:*:*:*
cpe:2.3:h:welotec:tk500_v2:*:*:*:*:*:*:*:*
cpe:2.3:h:welotec:tk500_v3:*:*:*:*:*:*:*:*
Vendors & Products Welotec
Welotec tk100
Welotec tk500 V2
Welotec tk500 V3
References
Metrics cvssV3_1

{'score': 4.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
CERTVDE
Published
Updated
Nov 7, 2026, 2:41 AM
Reserved
Oct 12, 2026, 12:21 PM
Status
Deferred
Published
Nov 3, 2026, 9:17 AM
Modified
Nov 7, 2026, 3:16 AM