CVE-2018-6530: D-Link Multiple Routers OS Command Injection Vulnerability

Vulnerability summary

CVE-2018-6530 is a high (CVSS 10.0) OS Command Injection vulnerability in D-Link Multiple Routers. It is known to be exploited: CISA lists it, first on 08-09-2022. It has been used in ransomware campaigns. EPSS estimates a 96.68% chance of exploitation in the next 30 days, higher than 99.8% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 06-03-2018
   PublishedVulnerability first disclosed.
2. 08-09-2022
   Added to CISA KEVD-Link Multiple Routers OS Command Injection Vulnerability
3. 29-09-2022
   CISA remediation dueApply mitigations per vendor instructions.
4. 21-10-2025
   Last modifiedVulnerability information updated.

Description

OS command injection vulnerability in soap.cgi (soapcgi_main in cgibin) in D-Link DIR-880L DIR-880L_REVA_FIRMWARE_PATCH_1.08B04 and previous versions, DIR-868L DIR868LA1_FW112b04 and previous versions, DIR-65L DIR-865L_REVA_FIRMWARE_PATCH_1.08.B01 and previous versions, and DIR-860L DIR860LA1_FW110b04 and previous versions allows remote attackers to execute arbitrary OS commands via the service parameter.

• CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.