CVE-2026-94018CWE-457CWE-824

CVE-2026-94018

published October 20, 2026

CVSS
8.8
EPSS
0%
Percentile
32.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
8.8 · NONE
CVSS v4.0
8.8 · 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
EPSS
0.00395 · 32.6th percentile
Weaknesses
CWE-457 · Use of Uninitialized Variable; CWE-824 · Access of Uninitialized Pointer
Published
2026-10-20T20:17Z
References (1)
https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-wjxf-gjm5-jh5q · [email protected]
EPSS history
Timeline
  • 22 OCT 03:36Z
    EPSS moved — → 0%
    epss
  • 20 OCT 15:10Z
    NetX Duo Web HTTP server releases an uninitialized packet pointer on the PUT Content-Length underflow path
    cvelistv5
  • 20 OCT 15:10Z
    NetX Duo Web HTTP server releases an uninitialized packet pointer on the PUT Content-Length underflow path
    cvelistv5