CVE-2025-7574criticalCWE-287

CVE-2025-7574: critical vulnerability in LB-LINK BL-WR9000

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

Published

28Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 9.3epss 0.8%
exploitation probability
0.8%top 44% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Affected products
LB-LINK · BL-AC1900LB-LINK · BL-AC2100_AZ3LB-LINK · BL-AC3600LB-LINK · BL-AX1800LB-LINK · BL-AX5400PLB-LINK · BL-WR9000
Related CVEs — LB-LINK BL-WR9000

In the same product, most dangerous first.

CVE-2025-4076MEDIUMLB-LINK BL-AC3600 Password lighttpd.cgi easy_uci_set_option_string_0 command injectionEPSS 19.8%CVE-2025-7565MEDIUMLB-LINK BL-AC3600 Web Management Interface lighttpd.cgi geteasycfg information disclosureEPSS 0.7%CVE-2025-7573MEDIUMLB-LINK BL-WR9000 lighttpd.cgi bs_GetManPwd information disclosureEPSS 0.4%CVE-2025-7572MEDIUMLB-LINK BL-WR9000 lighttpd.cgi bs_GetHostInfo information disclosureEPSS 0.4%CVE-2025-7564HIGHLB-LINK BL-AC3600 shadow hard-coded credentialsEPSS 0.3%
References
https://github.com/waiwai24/0101/blob/main/CVEs/Blink/Privilege_Control_Defect_in_Blink_Router_Web_Interface_Permits_Arbitrary_Sensitive_Operation_Execution.mdhttps://github.com/waiwai24/0101/blob/main/CVEs/Blink/Privilege_Control_Defect_in_Blink_Router_Web_Interface_Permits_Arbitrary_Sensitive_Operation_Execution.md#pochttps://vuldb.com/?ctiid.316272https://vuldb.com/?id.316272https://vuldb.com/?submit.608018