SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2018-6530

D-Link Multiple Routers OS Command Injection Vulnerability

KEVCRITICAL 9.8EPSS 96.7%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 29 September 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

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.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
96.68% probability · 100th percentile
CISA KEV
Listed 8 September 2022 · due 29 September 2022 · used in ransomware campaigns
Weakness
CWE-78
Affected
dlink/dir-860l firmware · dlink/dir-865l firmware · dlink/dir-868l firmware · dlink/dir-880l firmware
Source
cve@mitre.org

CISA notes

The vendor D-Link published an advisory stating the fix under CVE-2018-20114 properly patches KEV entry CVE-2018-6530. If the device is still supported, apply updates per vendor instructions. If the affected device has since entered its end-of-life, it should be disconnected if still in use. https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10105; https://nvd.nist.gov/vuln/detail/CVE-2018-6530

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.