Description
A vulnerability classified as critical has been found in LB-LINK BL-AC3600 up to 1.0.22. This affects the function easy_uci_set_option_string_0 of the file /cgi-bin/lighttpd.cgi of the component Password Handler. The manipulation of the argument routepwd leads to command injection. It is possible to initiate 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.
References (5)
Core 5
Core References
Permissions Required, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.306513
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.306513
Permissions Required, VDB Entry third-party-advisory
https://vuldb.com/?submit.560232
Various Sources exploit
https://github.com/GrayLxton/BLink_poc
Various Sources exploit
https://github.com/GrayLxton/BLink_poc/blob/main/poc.py
Scores
CVSS v3
6.3
EPSS
0.0115
EPSS Percentile
78.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-74
CWE-77
Status
published
Products (23)
LB-LINK/BL-AC3600
1.0.0
LB-LINK/BL-AC3600
1.0.1
LB-LINK/BL-AC3600
1.0.10
LB-LINK/BL-AC3600
1.0.11
LB-LINK/BL-AC3600
1.0.12
LB-LINK/BL-AC3600
1.0.13
LB-LINK/BL-AC3600
1.0.14
LB-LINK/BL-AC3600
1.0.15
LB-LINK/BL-AC3600
1.0.16
LB-LINK/BL-AC3600
1.0.17
... and 13 more
Published
Apr 29, 2025
Tracked Since
Feb 18, 2026