Cisco Linksys - Path Traversal (CVE-2009-1558)

CVE-2009-1558 is a directory traversal vulnerability impacting Cisco Linksys wireless video camera devices, allowing remote attackers to read arbitrary files via crafted requests to the device’s file handler.

CrowdSec has been tracking this vulnerability and its exploits since 1st of June 2025.

CrowdSec network observations suggest that most exploitation of CVE-2009-1558 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 network telemetry also shows that exploitation of CVE-2009-1558 has significantly declined over the past week. Attack volumes are well below the long-term average, suggesting attackers are rapidly losing interest. The vulnerability appears to be falling out of active use across most threat landscapes.

Attack attempts are typically observed targeting URLs containing /adm/file.cgi.