CVE-2026-94018

NetX Duo Web HTTP server releases an uninitialized packet pointer on the PUT Content-Length underflow path

Published Oct 20, 2026 CVSS 4.0 · 8.8 High EPSS < 1% KEV · Not listed
Description
The Web add-on's HTTP server dereferences and releases an uninitialized pointer when it detects a `Content-Length` underflow while processing a `PUT` request. The condition is reachable by an unauthenticated remote client with a single malformed request.

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
First Time appeared Eclipse
Eclipse threadx Netx Duo
Vendors & Products Eclipse
Eclipse threadx Netx Duo
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description The Web add-on's HTTP server dereferences and releases an uninitialized pointer when it detects a `Content-Length` underflow while processing a `PUT` request. The condition is reachable by an unauthenticated remote client with a single malformed request.
Title NetX Duo Web HTTP server releases an uninitialized packet pointer on the PUT Content-Length underflow path
Weaknesses CWE-457
CWE-824
References
Metrics cvssV4_0

{'score': 8.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
eclipse
Published
Updated
Oct 20, 2026, 5:03 PM
Reserved
Sep 23, 2026, 1:43 PM
Status
Awaiting Analysis
Published
Oct 20, 2026, 4:17 PM
Modified
Oct 20, 2026, 7:48 PM