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CVE-2025-7574

LB-LINK BL-WR9000 Web Interface lighttpd.cgi restore improper authentication

Published: Jul 14, 2025Updated: Jul 15, 2025 Sources: CVE List NVD BDUCWE-287
9.8CRITICAL
NVD MITRE
EPSS Score
0.7%
Top 49.4%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available
Self-Check
Not available

Description

A vulnerability, which was classified as critical, was found in LB-LINK BL-AC1900, BL-AC2100_AZ3, BL-AC3600, BL-AX1800, BL-AX5400P and BL-WR9000 up to 20250702. Affected is the function reboot/restore of the file /cgi-bin/lighttpd.cgi of the component Web Interface. The manipulation leads to improper authentication. It is possible to launch 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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-287

Affected Products

LB-LINK
commercial
BL-AC1900Embedded
Networking Infrastructure / router-switch
BL-AC2100_AZ3Embedded
Networking Infrastructure / router-switch
BL-AC3600Embedded
Networking Infrastructure / router-switch
BL-AX1800Embedded
Networking Infrastructure / router-switch
BL-AX5400PEmbedded
Networking Infrastructure / router-switch
BL-WR9000Embedded
Networking Infrastructure / router-switch
Shenzhen Bilian Electronics Co., Ltd.
commercial·CN
LB-LINK BL-WR9000On-premNetwork Device
Networking Infrastructure / router-switch
LB-LINK BL-AC1900On-premNetwork Device
Networking Infrastructure / router-switch
LB-LINK BL-AC2100_AZ3On-premNetwork Device
Networking Infrastructure / router-switch
LB-LINK BL-AX5400PEmbeddedNetwork Device
Networking Infrastructure / router-switch
LB-LINK BL-AX1800EmbeddedNetwork Device
Networking Infrastructure / router-switch
LB-LINK BL-AC3600On-premNetwork Device
Networking Infrastructure / router-switch

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Initial Access
View detailed technique mapping

References

https://vuldb.com/?id.316272
vuldb.com
https://vuldb.com/?ctiid.316272
vuldb.com
https://vuldb.com/?submit.608018
vuldb.com
and 2 more references View all →

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