Read the docs
TI-2025-34773 Aliases CVE-2025-55083

Broken bounds check in Broken bounds check in _nx_secure_tls_process_clienthello_psk_extension()

Priority LOW 30CWE-126Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-126 and the CVSS impact.

Summary

In NetX Duo version before 6.4.4, the component of Eclipse Foundation ThreadX, there was an incorrect bound check resulting it out by two out of bound read.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00251 16th percentileScored 2026-11-07
Fix Fixed NetX Duo (Eclipse Foundation): 6.4.4

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Eclipse FoundationNetX Duobefore 6.4.46.4.4Patch availableCNA
  • NetX Duo VendorEclipse Foundation Affected before 6.4.4 Fixed in 6.4.4 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:eclipse:threadx_netx_duo:*:*:*:*:*:*:*:*before 6.4.4.202503VulnerableEclipse Foundation
  • cpe:2.3:a:eclipse:threadx_netx_duo:*:*:*:*:*:*:*:* Versions before 6.4.4.202503 Vulnerable ·Eclipse Foundation

Remediation

  • Fix · CNA NetX Duo (Eclipse Foundation) Fixed in 6.4.4

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Eclipse Foundation NetX Duo 6.4.4

    3 records Highest priority Priority LOW 3 LOW

    Other records, highest priority first

    • TI-2025-34771 Potential out of bound read in _nx_secure_tls_process_clienthello()Priority LOW 37
    • TI-2025-34772 Potential out of bound read and info leak in_nx_secure_tls_psk_identity_find()Priority LOW 36

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-55083

References

  • TI-2025-34780 Potential out of bound read in _nx_ip_packet_receive() CVSS 4.0MEDIUM 6.9
  • TI-2025-34775 Web http client: Unchecked Server-Side Malicious Packet Issue CVSS 4.0HIGH 8.8
  • TI-2025-34790 Uncontrolled resource consumption in Eclipse ThreadX - NetX Duo CVSS 4.0HIGH 8.7
  • TI-2024-02278 Integer wraparound, under-allocation, and heap buffer overflow in Eclipse ThreadX NetX Duo __portable_aligned_alloc() CVSS 3.1CRITICAL 9.8
  • TI-2026-09997 Double free in Eclipse ThreadX - NetX Duo CVSS 3.1HIGH 7.5
  • TI-2025-34783 Potential out-of-bounds read in _nx_icmpv6_validate_options() CVSS 4.0MEDIUM 6.9
See all 20 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences