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CVE-2019-20215

CRITICAL
9.8
CVSS Score
Published: January 29, 2020 at 02:23 AM UTC
Updated: June 17, 2026 at 02:30 AM UTC
2 products affected across 1 vendorDir 859 FirmwareDir-859

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Severity
CRITICAL9.8
Exploit prediction
EPSS 75%

Description

D-Link DIR-859 1.05 and 1.06B01 Beta01 devices allow remote attackers to execute arbitrary OS commands via a urn: to the M-SEARCH method in ssdpcgi() in /htdocs/cgibin, because HTTP_ST is mishandled. The value of the urn: service/device is checked with the strstr function, which allows an attacker to concatenate arbitrary commands separated by shell metacharacters.

Affected

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

Dir 859 Firmware· D-Link
95%
1.051.06b1 beta1
dlink-dir-859 (same device)
Dir-859· D-Linkdevice
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

x_refsource_MISC
Source: [email protected]
http://packetstormsecurity.com/files/156250/D-Link-ssdpcgi-Unauthenticated-Remote-Command-Execution.html
x_refsource_MISC
Source: [email protected]
https://medium.com/%40s1kr10s/d-link-dir-859-unauthenticated-rce-in-ssdpcgi-http-st-cve-2019-20215-en-2e799acb8a73
x_refsource_MISCx_refsource_CONFIRMPatchVendor Advisory
Source: [email protected]
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10147

CVSS

9.8CRITICAL[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-78

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