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. Additionally, according to week-over-week analysis by CrowdSec, exploitation of CVE-2009-1558 is surging. Attack volumes are spiking well above historical norms, indicating widespread and escalating interest from threat actors. CVE-2009-1558 is currently experiencing high visibility and active exploitation across the internet.

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