Web http client: Unchecked Server-Side Malicious Packet Issue
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
In NextX Duo before 6.4.4, in the HTTP client module, the network support code for Eclipse Foundation ThreadX, the parsing of HTTP header fields was missing bounds verification. A crafted server response could cause undefined behavior.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Eclipse Foundation | NetX Duo | before 6.4.4 | 6.4.4 | Patch available | CNA |
- NetX Duo VendorEclipse Foundation Affected before 6.4.4 Fixed in 6.4.4 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:eclipse:threadx_netx_duo:*:*:*:*:*:*:*:* | before 6.4.4.202503 | Vulnerable | Eclipse 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
4 records Highest priority Priority MEDIUM 1 MEDIUM, 3 LOW
Other records, highest priority first
- TI-2025-34783 Potential out-of-bounds read in _nx_icmpv6_validate_options()Priority LOW 37
- TI-2025-34782 Out of bound read and write in _nx_ipv4_packet_receive() when handling unicast DHCP messagesPriority LOW 36
- TI-2025-34781 Potential out of bound read in _nx_ipv4_option_process()Priority LOW 36
Timeline
- 2026-10-02 Threatist record created from CVE-2025-55085
References
More Eclipse Foundation Threadx Netx Duo vulnerabilities
- TI-2025-34780 Potential out of bound read in _nx_ip_packet_receive() CVSS 4.0MEDIUM 6.9
- 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
- TI-2025-34779 Potential out of bound read issue in _nx_ipv4_packet_receive() in NetX Duo CVSS 4.0MEDIUM 6.9
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences