D-Link · Multiple Routers
CVE-2018-6530
D-Link Multiple Routers OS Command Injection Vulnerability
What it is
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.
CISA: Multiple D-Link routers contain an unspecified vulnerability that allows for execution of OS commands.
What to do
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.
Deadline for US federal agencies: September 29, 2022
- Added to the CISA list
- September 8, 2022
- Published
- March 6, 2018
- Severity
- Critical 9.8 CVSS 3.1
- Chance of attacks in the next 30 days (EPSS)
- 97% in the top 0.1% of all known vulnerabilities
- Weakness
- CWE-78
- More details
- NVD · CVE.org · CISA
All references (5)
- 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-860L/REVA/DIR-860L_REVA_FIRMWARE_PATCH_NOTES_1.11B01_EN_WW.pdf
- https://github.com/TheBeeMan/Pwning-multiple-dlink-router-via-SOAP-proto
- 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
More exploited flaws from D-Link
| Added | Vulnerability | Product | Severity | Attack chance |
|---|---|---|---|---|
| Apr 4, 2022 | Remote Code Execution | Multiple Routers | Critical 9.8 | 98% |
| Mar 25, 2022 | Command Injection | Multiple Routers | Critical 9.8 | >99.9% |
| Apr 24, 2026 | Command Injection | DIR-823X | High 7.2 | 88% |
| Dec 8, 2025 | Buffer Overflow | Routers | Critical 9.8 | 56% |
| Aug 5, 2025 | Unspecified | DCS-2530L and DCS-2670L Devices | High 7.5 | 98% |
| Aug 5, 2025 | DCS-2530L and DCS-2670L Command Injection | DCS-2530L and DCS-2670L Devices | High 8.8 | 54% |
| Aug 5, 2025 | Download of Code Without Integrity Check | DNR-322L | High 8.8 | 34% |
| Jun 25, 2025 | D-Link DIR-859 Router Path Traversal | DIR-859 Router | Medium 5.3 | 83% |
Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.