CVE-2025-2260— Eclipse ThreadX NetX Duo HTTP component server denial of service
Quick assessment
Affected
Eclipse Foundation ThreadX
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Eclipse ThreadX NetX Duo是Eclipse ThreadX开源的一个 IPv4 和 IPv6 双重网络堆栈。 Eclipse ThreadX NetX Duo 6.4.3之前版本存在安全漏洞，该漏洞源于文件未关闭，可能导致拒绝服务。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2025-2260
Vulnerability Information
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Vulnerability Title
Eclipse ThreadX NetX Duo HTTP component server denial of service
Source: CVE Program / CVE List V5
Vulnerability Description
In NetX HTTP server functionality of Eclipse ThreadX NetX Duo before
version 6.4.3, an attacker can cause a denial of service by specially
crafted packets. The core issue is missing closing of a file in case of
an error condition, resulting in the 404 error for each further file
request. Users can work-around the issue by disabling the PUT request
support.
This issue follows an incomplete fix of CVE-2025-0726.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
清理环节不完整
Source: CVE Program / CVE List V5
Vulnerability Title
Eclipse ThreadX NetX Duo 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Eclipse ThreadX NetX Duo是Eclipse ThreadX开源的一个 IPv4 和 IPv6 双重网络堆栈。 Eclipse ThreadX NetX Duo 6.4.3之前版本存在安全漏洞，该漏洞源于文件未关闭，可能导致拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Eclipse Foundation | ThreadX | 0 ~ 6.4.2 | - |
|
II. Public POCs for CVE-2025-2260
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Eclipse Foundation · 2025-04-06 · 3 CVEs total
| CVE-2025-2259 | Eclipse ThreadX NetX Duo component HTTP server single PUT request integer underflow | |
| CVE-2025-2258 | Eclipse ThreadX NetX Duo HTTP server single PUT request integer underflow |
IV. Related Vulnerabilities
Same product: ThreadX
-
CVE-2025-55080
Improper Parameter Check in ThreadX Syscall Implementation -
CVE-2025-55079
Missing check for thread priority -
CVE-2025-55078
Incomplete validation of kernel object pointers in system ca -
CVE-2025-2259
Eclipse ThreadX NetX Duo component HTTP server single PUT re -
CVE-2025-2258
Eclipse ThreadX NetX Duo HTTP server single PUT request inte
Same weakness: CWE-459
-
CVE-2026-77761
Cross-Document Parser State Contamination in misp-stix -
CVE-2026-52736
ZEBRA: Block suppression via NU5 same-header body poisoning -
CVE-2026-52733
ZEBRA: Persistent on-disk corruption of Sapling/Orchard subt -
CVE-2026-9693
Mattermost thread memberships persist after team removal, ex -
CVE-2026-19474
@fastify/multipart vulnerable to Denial of Service via tempo
V. Comments for CVE-2025-2260
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