Information disclosure in Lb-Link Bl-Ac1900
CVE-2025-7573
A vulnerability, which was classified as critical, has been found in LB-LINK BL-AC1900, BL-AC2100_AZ3, BL-AC3600, BL-AX1800, BL-AX5400P and BL-WR9000 up to 20250702. This issue affects the function bs_GetManPwd in the library libblinkapi.so of the file /cgi-bin/lighttpd.cgi. The manipulation leads to information disclosure. The attack may be initiated 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.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (35.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 35.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.001
Affected products
- Lb-Link Bl-Ac1900 — versions 20250702
- Lb-Link Bl-Ac2100 Az3 — versions 20250702
- Lb-Link Bl-Ac3600 — versions 20250702
- Lb-Link Bl-Ax1800 — versions 20250702
- Lb-Link Bl-Ax5400p — versions 20250702
- Lb-Link Bl-Wr9000 — versions 20250702
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, vdb-entry)
- vuldb.com/ (signature, permissions-required)
- vuldb.com/ (third-party-advisory)
- github.com/waiwai24/0101/blob/main/CVEs/Blink/Web_Interface_Login_Credential_Di… (related)
- github.com/waiwai24/0101/blob/main/CVEs/Blink/Web_Interface_Login_Credential_Di… (exploit)
Frequently asked questions
- What is CVE-2025-7573?
- CVE-2025-7573 is a medium-severity vulnerability in Lb-Link Bl-Ac1900, classified under Information Disclosure. CVSS score: 5.3/10. Published 2025-07-14.
- How severe is CVE-2025-7573?
- Medium severity. CVSS v3 base score is 5.3 out of 10.