CVE-2018-6530
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…
Browse: All 2018 CVEs · All vendors
- CVSS score
- 9.8 Critical
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H- CISA KEV
- Yes — actively exploited (added 2022-09-08, remediation due 2022-09-29)
- Ransomware
- Known ransomware campaign use
- Weakness (CWE)
- CWE-78
- Published
- 2018-03-06
- Last modified
- 2026-06-17
- NVD status
- Analyzed
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.
Affected products
- dlink dir-860l firmware
- dlink dir-865l firmware
- dlink dir-868l firmware
- dlink dir-880l firmware
Affected ranges per NVD CPE data; confirm exact versions in the vendor advisory.
Required action (CISA)
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. Federal remediation deadline: 2022-09-29.
How to prioritize this
This vulnerability is on the CISA KEV list, meaning it is being actively exploited — treat it as urgent regardless of the raw CVSS number. Use the live CVE lookup for the latest NVD data, and the CVSS 3.1 calculator to model your own environmental score. For the actively exploited vulnerabilities that matter this week, read The Exploit HQ daily security brief.
References
- ftp://FTP2.DLINK.COM/SECURITY_ADVISEMENTS/DIR-860L/REVA/DIR-860L_REVA_FIRMWARE_PATCH_NOTES_1.11B01_EN_WW.pdf
- ftp://FTP2.DLINK.COM/SECURITY_ADVISEMENTS/DIR-868L/REVA/DIR-868L_REVA_FIRMWARE_PATCH_NOTES_1.20B01_EN_WW.pdf
- ftp://ftp2.dlink.com/SECURITY_ADVISEMENTS/DIR-865L/REVA/DIR-865L_REVA_FIRMWARE_PATCH_NOTES_1.10B01_EN_WW.pdf
- ftp://ftp2.dlink.com/SECURITY_ADVISEMENTS/DIR-880L/REVA/DIR-880L_REVA_FIRMWARE_PATCH_NOTES_1.08B06_EN_WW.pdf
- https://github.com/TheBeeMan/Pwning-multiple-dlink-router-via-SOAP-proto
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-6530
FAQ
Is CVE-2018-6530 actively exploited?
Yes. CISA added CVE-2018-6530 to its Known Exploited Vulnerabilities (KEV) catalog on 2022-09-08, with a federal remediation deadline of 2022-09-29. A KEV listing means real-world exploitation is confirmed, so patching this should be prioritized above many higher-CVSS bugs that aren't being exploited.
What is the CVSS score of CVE-2018-6530?
CVE-2018-6530 has a CVSS base score of 9.8 (Critical). Its vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Related vulnerabilities
- CVE-2021-45382 — D-Link Multiple Routers
- CVE-2019-16920 — D-Link Multiple Routers
- CVE-2025-29635 — D-Link DIR-823X
- CVE-2022-37055 — D-Link Routers
- CVE-2020-25078 — D-Link DCS-2530L and DCS-2670L Devices
- CVE-2020-25079 — D-Link DCS-2530L and DCS-2670L Devices
Data source: NVD & CISA KEV. Shown as-is; nothing added. Last generated from NVD data — re-check the live tool for updates.
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