CVE-2025-55081— Potential out of bound read in _nx_secure_tls_process_clienthello()
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I. Basic Information for CVE-2025-55081
Vulnerability Information
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Vulnerability Title
Potential out of bound read in _nx_secure_tls_process_clienthello()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In Eclipse Foundation NextX Duo before 6.4.4, a module of ThreadX, the _nx_secure_tls_process_clienthello() function was missing length verification of certain SSL/TLS client hello message: the ciphersuite length and compression method length. In case of an attacker-crafted message with values outside of the expected range, it could cause an out-of-bound read.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
缓冲区上溢读取
Source: NVD (National Vulnerability Database)
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 6.4.4之前版本存在安全漏洞，该漏洞源于_nx_secure_tls_process_clienthello函数缺少对SSL/TLS客户端hello消息中密码套件长度和压缩方法长度的验证，可能导致越界读取。
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 | NetX Duo | 0 ~ 6.4.4 | - |
II. Public POCs for CVE-2025-55081
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|---|
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Same Patch Batch · Eclipse Foundation · 2025-10-15 · 5 CVEs total
| CVE-2025-55080 | Improper Parameter Check in ThreadX Syscall Implementation | |
| CVE-2025-55079 | Missing check for thread priority | |
| CVE-2025-55082 | Potential out of bound read and info leak in_nx_secure_tls_psk_identity_find() | |
| CVE-2025-55083 | Broken bounds check in Broken bounds check in _nx_secure_tls_process_clienthello_psk_exten |
IV. Related Vulnerabilities
Same product: NetX Duo
- CVE-2025-55085
Web http client: Unchecked Server-Side Malicious Packet Issu - CVE-2025-55096
Inadequate bounds check and potential underflow in _ux_host_ - CVE-2025-55094
Potential out-of-bounds read in _nx_icmpv6_validate_options( - CVE-2025-55093
Out of bound read and write in _nx_ipv4_packet_receive() whe - CVE-2025-55092
Potential out of bound read in _nx_ipv4_option_process()
V. Comments for CVE-2025-55081
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