Blink BL-WR9000 - RCE (CVE-2025-45985)

CVE-2025-45985 is a critical command injection vulnerability affecting multiple Blink router models, including BL-WR9000, BL-AC2100_AZ3, and others, through the bs_SetSSIDHide function. This flaw allows remote, unauthenticated attackers to execute arbitrary commands on the device, potentially leading to full system compromise, data theft, or disruption of network services.

CrowdSec has been tracking this vulnerability and its exploits since 15th of April 2026.

CrowdSec network observations suggest that most exploitation of CVE-2025-45985 involves focused reconnaissance to identify viable targets. Attackers typically tailor their campaigns based on system exposure and configuration. It is unlikely that a given attack is accidental. CrowdSec data also reveals a clear uptick in attacks involving CVE-2025-45985 over the past week. Activity is above the usual baseline, suggesting growing attention from attackers. This may reflect rising awareness, recent exploit releases, or expanded targeting efforts.

Attackers exploit the /goform/set_hidessid_cfg endpoint on Blink routers by injecting OS commands via the enable parameter, allowing unauthenticated remote code execution.