CVE-2026-5527— Tenda 4G03 Pro ECDSA P-256 Private Key server.key hard-coded key
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I. Basic Information for CVE-2026-5527
Vulnerability Information
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Vulnerability Title
Tenda 4G03 Pro ECDSA P-256 Private Key server.key hard-coded key
Source: NVD (National Vulnerability Database)
Vulnerability Description
A weakness has been identified in Tenda 4G03 Pro 1.0/1.0re/01.bin/04.03.01.53. Affected by this issue is some unknown functionality of the file /etc/www/pem/server.key of the component ECDSA P-256 Private Key Handler. This manipulation causes use of hard-coded cryptographic key . It is possible to initiate the attack remotely.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用硬编码的密码学密钥
Source: NVD (National Vulnerability Database)
Vulnerability Title
Tenda 4G03 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda 4G03是中国腾达（Tenda）公司的一款无线路由器 Tenda 4G03 Pro 1.0版本、1.0re版本、01.bin版本和04.03.01.53版本存在安全漏洞，该漏洞源于使用硬编码加密密钥。
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
II. Public POCs for CVE-2026-5527
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- Submit #782053: Tenda 4G03 Pro V1.0 V04.03.01.53 Cryptographic Issuesthird-party-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-5527
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Same vendor: Tenda
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V. Comments for CVE-2026-5527
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