CVE-2025-7573 - LB-LINK BL-WR9000 lighttpd.cgi bs_GetManPwd information disclosure

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MEDIUM

LB-LINK BL-WR9000 lighttpd.cgi bs_GetManPwd information disclosure

Published Jul 14, 2025

6.9

MEDIUM

CVSS 4.0

EPSS 0.38%

Description

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.

Affected products

Vendor LB-Link Product BL-AC1900 Default
n/a
- Version
  20250702
  Status
  affected
  Constraints
  -
Vendor LB-Link Product BL-Ac2100 Az3 Default
n/a
- Version
  20250702
  Status
  affected
  Constraints
  -
Vendor LB-Link Product BL-AC3600 Default
n/a
- Version
  20250702
  Status
  affected
  Constraints
  -
Vendor LB-Link Product BL-AX1800 Default
n/a
- Version
  20250702
  Status
  affected
  Constraints
  -
Vendor LB-Link Product BL-Ax5400p Default
n/a
- Version
  20250702
  Status
  affected
  Constraints
  -
Vendor LB-Link Product BL-WR9000 Default
n/a
- Version
  20250702
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

LB-Link

BL-AC1900

n/a

Version	Status	Constraints
20250702	affected	-

LB-Link

BL-Ac2100 Az3

n/a

Version	Status	Constraints
20250702	affected	-

LB-Link

BL-AC3600

n/a

Version	Status	Constraints
20250702	affected	-

LB-Link

BL-AX1800

n/a

Version	Status	Constraints
20250702	affected	-

LB-Link

BL-Ax5400p

n/a

Version	Status	Constraints
20250702	affected	-

LB-Link

BL-WR9000

n/a

Version	Status	Constraints
20250702	affected	-

Remediation

No remediation recorded yet.

Weaknesses (2)

CWE-200

Exposure of Sensitive Information

CWE-284

References (6)

https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-21311
Advisory
https://github.com/waiwai24/0101/blob/main/CVEs/Blink/Web_Interface_Login_Credential_Disclosure_Risk_in_Various_Blink_Router_Models.md
exploitrelated
https://github.com/waiwai24/0101/blob/main/CVEs/Blink/Web_Interface_Login_Credential_Disclosure_Risk_in_Various_Blink_Router_Models.md#poc
exploit
https://vuldb.com/?ctiid.316271
signaturepermissions-required
https://vuldb.com/?id.316271
vdb-entrytechnical-description
https://vuldb.com/?submit.608010
third-party-advisory

Link	Providers	Tags
https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-21311		Advisory
https://github.com/waiwai24/0101/blob/main/CVEs/Blink/Web_Interface_Login_Credential_Disclosure_Risk_in_Various_Blink_Router_Models.md		exploitrelated
https://github.com/waiwai24/0101/blob/main/CVEs/Blink/Web_Interface_Login_Credential_Disclosure_Risk_in_Various_Blink_Router_Models.md#poc		exploit
https://vuldb.com/?ctiid.316271		signaturepermissions-required
https://vuldb.com/?id.316271		vdb-entrytechnical-description
https://vuldb.com/?submit.608010		third-party-advisory