CVE-2025-7565: bl-ac3600 Information Disclosure

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.

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CVSS v3.1 Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness Type (CWE)

CWE-200 CWE-200

CWE-284 CWE-284

CWE-522 CWE-522

Affected Products

Vendor	Product	Versions
lb-link	bl-ac3600_firmware	< 1.0.22
lb-link	bl-ac3600	All

References

Exploits

https://github.com/waiwai24/0101/blob/main/CVEs/Blink/Plaintext_Password_Leakage_in_the_Web_Management_Interface_of_BL-AC3600_Routers.md https://github.com/waiwai24/0101/blob/main/CVEs/Blink/Plaintext_Password_Leakage_in_the_Web_Management_Interface_of_BL-AC3600_Routers.md#poc

Other References

https://vuldb.com/?ctiid.316263 https://vuldb.com/?id.316263 https://vuldb.com/?submit.605632

Frequently Asked Questions

What is CVE-2025-7565? +

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. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2025-7565? +

CVE-2025-7565 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-7565? +

CVE-2025-7565 affects products from lb-link, specifically: bl-ac3600, bl-ac3600_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-7565? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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