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CVE-2025-55080— Improper Parameter Check in ThreadX Syscall Implementation

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 RTOS是Eclipse ThreadX公司的专为深度嵌入式应用程序设计的高级实时操作系统 (RTOS)。 Eclipse ThreadX RTOS 6.4.3之前版本存在安全漏洞，该漏洞源于内存保护启用时系统调用参数验证不足，可能导致任意内存读写。

AI Predicted 9.8 Difficulty: Easy EPSS 0.14% · P3
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I. Basic Information for CVE-2025-55080

Vulnerability Information
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Vulnerability Title
Improper Parameter Check in ThreadX Syscall Implementation
Source: CVE Program / CVE List V5
Vulnerability Description
In Eclipse ThreadX before 6.4.3, when memory protection is enabled, syscall parameters verification wasn't enough, allowing an attacker to obtain an arbitrary memory read/write.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
参数问题
Source: CVE Program / CVE List V5
Vulnerability Title
Eclipse ThreadX RTOS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Eclipse ThreadX RTOS是Eclipse ThreadX公司的专为深度嵌入式应用程序设计的高级实时操作系统 (RTOS)。 Eclipse ThreadX RTOS 6.4.3之前版本存在安全漏洞，该漏洞源于内存保护启用时系统调用参数验证不足，可能导致任意内存读写。
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 ~ 6.4.3 -

II. Public POCs for CVE-2025-55080

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III. Intelligence Information for CVE-2025-55080

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Same Patch Batch · Eclipse Foundation · 2025-10-15 · 5 CVEs total

CVE-2025-55083 Broken bounds check in Broken bounds check in _nx_secure_tls_process_clienthello_psk_exten
CVE-2025-55082 Potential out of bound read and info leak in_nx_secure_tls_psk_identity_find()
CVE-2025-55081 Potential out of bound read in _nx_secure_tls_process_clienthello()
CVE-2025-55079 Missing check for thread priority

IV. Related Vulnerabilities

Same product: ThreadX
Same vendor: Eclipse Foundation
Same weakness: CWE-233