CVE-2025-7565— LB-LINK BL-AC3600 Web Management Interface lighttpd.cgi geteasycfg information disclosure
Quick assessment
Affected
LB-LINK BL-AC3600
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.
LB-LINK BL-AC3600是中国必联（LB-LINK）公司的一款双频千兆无线路由器，支持2.4GHz和5GHz频段，适用于家庭和小型办公室网络。 LB-LINK BL-AC3600 1.0.22及之前版本存在访问控制错误漏洞，该漏洞源于文件/cgi-bin/lighttpd.cgi中参数Password操作不当，可能导致信息泄露。
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I. Basic Information for CVE-2025-7565
Vulnerability Information
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Vulnerability Title
LB-LINK BL-AC3600 Web Management Interface lighttpd.cgi geteasycfg information disclosure
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability, which was classified as critical, was found in LB-LINK BL-AC3600 up to 1.0.22. This affects the function geteasycfg of the file /cgi-bin/lighttpd.cgi of the component Web Management Interface. The manipulation of the argument Password leads to information disclosure. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
LB-LINK BL-AC3600 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
LB-LINK BL-AC3600是中国必联（LB-LINK）公司的一款双频千兆无线路由器，支持2.4GHz和5GHz频段，适用于家庭和小型办公室网络。 LB-LINK BL-AC3600 1.0.22及之前版本存在访问控制错误漏洞，该漏洞源于文件/cgi-bin/lighttpd.cgi中参数Password操作不当，可能导致信息泄露。
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-2025-7565
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Proof of Concept for CVE-2025-7565 (1)
News Coverage for CVE-2025-7565 (1)
Same Patch Batch · LB-LINK · 2025-07-14 · 5 CVEs total
| CVE-2025-7574 | 9.8 CRITICAL | LB-LINK BL-WR9000 Web Interface lighttpd.cgi restore improper authentication |
| CVE-2025-7564 | 7.8 HIGH | LB-LINK BL-AC3600 shadow hard-coded credentials |
| CVE-2025-7573 | 5.3 MEDIUM | LB-LINK BL-WR9000 lighttpd.cgi bs_GetManPwd information disclosure |
| CVE-2025-7572 | 5.3 MEDIUM | LB-LINK BL-WR9000 lighttpd.cgi bs_GetHostInfo information disclosure |
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