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.s…
Vulnerability class: Information Disclosure
EPSS: 0.002 (46.5th percentile) — read the EPSS interpretation.
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/E:P/RL:W/RC:R.
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
- VDB-316271 | LB-LINK BL-WR9000 lighttpd.cgi bs_GetManPwd information disclosure (vdb-entry, technical-description)
- VDB-316271 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
- Submit #608010 | Blink BL-AX5400P V1.0.19、BL-AX1800 V1.0.19、BL-AC3600 V1.0.22、BL-WR9000 V2.4.9、BL-AC1900 V1.0.2、BL-AC2100_AZ3 V1.0.4 BL-AX5400P V1.0.19、BL-AX1800 V1.0.19、BL-AC3600 V1.0.22、BL-WR9000 V2.4.9、BL-AC1900 V1.0.2、BL-AC2100_AZ3 V1.0.4 Informati (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.