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CRITICAL · 9.8

CVE-2018-17787

On D-Link DIR-823G devices, the GoAhead configuration allows /HNAP1 Command Injection via shell metacharacters in the POST data, because this data is sent directly to the "system" library function.

Vulnerability Description

On D-Link DIR-823G devices, the GoAhead configuration allows /HNAP1 Command Injection via shell metacharacters in the POST data, because this data is sent directly to the "system" library function.

CVSS Score

9.8

CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
D-LinkDir-823G Firmware-
DlinkDir-823G-

Related Weaknesses (CWE)

CWE-78

References

FAQ

What is CVE-2018-17787?

CVE-2018-17787 is a vulnerability with a CVSS score of 9.8 (CRITICAL). On D-Link DIR-823G devices, the GoAhead configuration allows /HNAP1 Command Injection via shell metacharacters in the POST data, because this data is sent directly to the "system" library function.

How severe is CVE-2018-17787?

CVE-2018-17787 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2018-17787?

Check the references section above for vendor advisories and patch information. Affected products include: D-Link Dir-823G Firmware, Dlink Dir-823G.