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.

According to CrowdSec data, while opportunistic exploitation dominates, a portion of threat actors trying to exploit CVE-2009-1558 apply basic targeting methods such as port or service detection. This indicates emerging patterns of selective targeting. Telemetry from the CrowdSec network also shows that exploitation activity for CVE-2009-1558 remains steady week-over-week. Attack volumes are consistent with long-term trends, indicating sustained interest from threat actors. CVE-2009-1558 continues to be an active part of the threat landscape and will likely remain this way for the forseeable future.

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