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CVE-2018-6530

CRITICAL
9.8
CVSS Score
Published: March 6, 2018 at 08:00 PM UTC
Updated: June 17, 2026 at 02:01 AM UTC
7 products affected across 1 vendorDir 868L FirmwareDir 865L FirmwareDIR-860L

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Severity
CRITICAL9.8
Exploitation
CISA KEV
Exploit prediction
EPSS 97%
SSVC
Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score96.7%

EPSS (Exploit Prediction Scoring System) estimates a 96.7% chance this CVE is exploited in the wild within the next 30 days — higher than 100% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

Multiple D-Link routers contain an unspecified vulnerability that allows for execution of OS commands.

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.
Ransomware Use
Known
Added to KEV
Sep 8, 2022
Remediation Due
Sep 29, 2022
1488 days overdue
Notes
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10105
https://nvd.nist.gov/vuln/detail/CVE-2018-6530

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

DIR-860L· D-Link
95%
v ≤ 1.10b04
Dir 865L Firmware· D-Link
95%
v ≤ 1.08b01
dlink-dir-865l (same device)
Dir 868L Firmware· D-Link
95%
v ≤ 1.12b04
dlink-dir-868l (same device)
Dir 880L Firmware· D-Link
95%
v ≤ 1.08b04
dlink-dir-880l (same device)
Dir-865L· D-Linkdevice
80%
All versions
DIR-868L· D-Linkdevice
80%
All versions
Dir-880L· D-Linkdevice
80%
All versions

References (6)

x_refsource_CONFIRMRelease NotesVendor Advisory
Source: [email protected]
ftp://FTP2.DLINK.COM/SECURITY_ADVISEMENTS/DIR-860L/REVA/DIR-860L_REVA_FIRMWARE_PATCH_NOTES_1.11B01_EN_WW.pdf
x_refsource_CONFIRMRelease NotesVendor Advisory
Source: [email protected]
ftp://FTP2.DLINK.COM/SECURITY_ADVISEMENTS/DIR-868L/REVA/DIR-868L_REVA_FIRMWARE_PATCH_NOTES_1.20B01_EN_WW.pdf
x_refsource_CONFIRMRelease NotesVendor Advisory
Source: [email protected]
ftp://ftp2.dlink.com/SECURITY_ADVISEMENTS/DIR-865L/REVA/DIR-865L_REVA_FIRMWARE_PATCH_NOTES_1.10B01_EN_WW.pdf
x_refsource_CONFIRMRelease NotesVendor Advisory
Source: [email protected]
ftp://ftp2.dlink.com/SECURITY_ADVISEMENTS/DIR-880L/REVA/DIR-880L_REVA_FIRMWARE_PATCH_NOTES_1.08B06_EN_WW.pdf
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://github.com/TheBeeMan/Pwning-multiple-dlink-router-via-SOAP-proto
US Government Resource
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-6530

SSVC — Action Prioritization

SSVCActiveAutomatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

9.8CRITICALCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-78

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