LB-LINK BL-WR9000 up to 20250702 /cgi-bin/lighttpd.cgi bs_GetManPwd information disclosure

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in LB-LINK BL-AC1900, BL-AC2100_AZ3, BL-AC3600, BL-AX1800, BL-AX5400P and BL-WR9000 up to 20250702. Affected is the function bs_GetManPwd in the library libblinkapi.so of the file /cgi-bin/lighttpd.cgi. The manipulation leads to information disclosure. This vulnerability is documented as CVE-2025-7573. The attack can be initiated remotely. Additionally, an exploit exists. It is recommended to apply restrictive firewalling. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

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 with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2025-7573. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

The exploit is available at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

Addressing this vulnerability is possible by firewalling .

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-21311). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.0

VulDB Base Score: 5.3
VulDB Temp Score: 4.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔒

Timelineinfo

07/13/2025 Advisory disclosed
07/13/2025 +0 days VulDB entry created
07/14/2025 +1 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2025-7573 (🔒)
GCVE (CVE): GCVE-0-2025-7573
GCVE (VulDB): GCVE-100-316271
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/13/2025 09:21
Updated: 07/14/2025 13:39
Changes: 07/13/2025 09:21 (58), 07/14/2025 07:23 (31), 07/14/2025 08:46 (1), 07/14/2025 13:39 (1)
Complete: 🔍
Submitter: waiwai24
Cache ID: 216::103

Submitinfo

Accepted

  • 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 (by waiwai24)

Be aware that VulDB is the high quality source for vulnerability data.

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