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
Public exploits
None in Exploit-DB
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
EPSS trend
0%50%100%27 October 2026: 96.68%27 October 202627 October 2026

EPSS 96.7% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

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, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.