CVEs / CVE-2018-6530

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

Known exploited in the CISA KEV catalog since 8 Sep 2022
critical 9.8 CVSS 3.1 (NVD)
EPSS 96.6% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
Last changed at its sources 17 Jun 2026

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Summary

Multiple D-Link routers contain an unspecified vulnerability that allows for execution of OS commands.
CISA, Known Exploited Vulnerabilities catalog

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.
The CVE record, via NVD · published 6 Mar 2018 · NVD status: Analyzed

Affected and fixed versions

As stated by the CVE record (from the CNA)
Product	Affected	Fixed in
n/a n/a	n/a	—

Exploitation

In CISA KEV since	8 Sep 2022
Due date for US federal agencies	29 Sep 2022
Used in ransomware campaigns	Known
Required action	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.

Severity

CVSS 3.1	9.8 critical `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H` Scored by NVD
Weakness	CWE-78

References

CVE-2018-6530 on NVD
CVE-2018-6530 in the CISA KEV catalog
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10105 (cited by CISA)
https://github.com/TheBeeMan/Pwning-multiple-dlink-router-via-SOAP-proto Exploit, Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-6530 US Government Resource

Sources

Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.

This product uses data from the NVD API but is not endorsed or certified by the NVD.