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I. Basic Information for CVE-2025-57278
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
The LB-Link BL-CPE300M AX300 4G LTE Router firmware version BL-R8800_B10_ALK_SL_V01.01.02P42U14_06 does not implement proper session handling. After a user authenticates from a specific IP address, the router grants access to any other client using that same IP, without requiring credentials or verifying client identity. There are no session tokens, cookies, or unique identifiers in place. This flaw allows an attacker to obtain full administrative access simply by configuring their device to use the same IP address as a previously authenticated user. This results in a complete authentication bypass.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
LB-Link BL-CPE300M AX300 4G LTE Router 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
LB-Link BL-CPE300M AX300 4G LTE Router是中国必联(LB-Link)公司的一款路由器。 LB-Link BL-CPE300M AX300 4G LTE Router存在安全漏洞,该漏洞源于会话处理不当,可能导致身份验证绕过。
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
VendorProductAffected VersionsCPESubscribe
-n/a n/a -
II. Public POCs for CVE-2025-57278
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III. Intelligence Information for CVE-2025-57278
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IV. Related Vulnerabilities
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