D-Link - RCE (CVE-2018-6530)

CVE-2018-6530 is a critical OS command injection vulnerability affecting specific D-Link routers through the misuse of parameters in the device's SOAP CGI interface, potentially allowing remote code execution.

CrowdSec has been tracking this vulnerability and its exploits since 10th of March 2025.

Data from the CrowdSec community indicates that exploitation of CVE-2018-6530 is highly selective and intelligence-driven. Threat actors use advanced reconnaissance and carefully choose their targets, often as part of sophisticated campaigns or advanced persistent threat operations. Data from the CrowdSec community also indicates a gradual decrease in attacks targeting CVE-2018-6530. While still present in the wild, exploitation levels have dropped noticeably week-over-week. This may signal that the vulnerability is becoming less relevant or that defenses are improving fast enough for attackers to lose interest.

Exploitation attempts focus on requests to URLs containing /soap.cgi?service= and include suspicious payloads with special characters.