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CVE-2025-55089— Eclipse ThreadX FileX RAM disk driver buffer overflow

Quick assessment

Affected
Eclipse Foundation FileX
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 FileX是Eclipse ThreadX开源的一个高性能、FAT兼容的文件系统。 Eclipse ThreadX FileX 6.4.2之前版本存在缓冲区错误漏洞，该漏洞源于FileX RAM磁盘驱动程序存在缓冲区溢出，可能导致远程执行代码。

AI Predicted 9.8 Difficulty: Trivial EPSS 0.51% · P42

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2025-55089

Vulnerability Information
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Vulnerability Title
Eclipse ThreadX FileX RAM disk driver buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
In FileX before 6.4.2, the file support module for Eclipse Foundation ThreadX, there was a possible buffer overflow in the FileX RAM disk driver. It could cause a remote execurtion after receiving a crafted sequence of packets
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
内存缓冲区边界内操作的限制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Eclipse ThreadX FileX 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Eclipse ThreadX FileX是Eclipse ThreadX开源的一个高性能、FAT兼容的文件系统。 Eclipse ThreadX FileX 6.4.2之前版本存在缓冲区错误漏洞，该漏洞源于FileX RAM磁盘驱动程序存在缓冲区溢出，可能导致远程执行代码。
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 FileX 0 ~ 6.4.2 -

II. Public POCs for CVE-2025-55089

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III. Intelligence Information for CVE-2025-55089

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Same Patch Batch · Eclipse Foundation · 2025-10-16 · 4 CVEs total

CVE-2025-55091 Potential out of bound read in _nx_ip_packet_receive()
CVE-2025-55090 Potential out of bound read issue in _nx_ipv4_packet_receive() in NetX Duo
CVE-2025-55084 Out of bound read in _nx_secure_tls_proc_clienthello_supported_versions_extension()

IV. Related Vulnerabilities

Same product: FileX
Same vendor: Eclipse Foundation
Same weakness: CWE-119

V. Comments for CVE-2025-55089

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