Command Injection in D-Link DIR-806 Devices
CVE-2019-10891

9.8CRITICAL

Key Information:

Vendor

D-Link
Status
Dir-806 Firmware
Vendor
CVE Published:
6 September 2019

What is CVE-2019-10891?

A command injection vulnerability exists in D-Link DIR-806 devices, specifically within the hnap_main function. This flaw arises because the function calls the system() command without proper validation of user-controlled parameters. Exploiting this vulnerability, remote attackers can execute arbitrary shell commands by manipulating specific HTTP headers. The absence of robust input validation and sanitization exposes the affected devices to significant security risks, allowing unauthorized access and control over the device.

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References

https://github.com/Kirin-say/Vulnerabilities/blob/master/...
https://supportannouncement.us.dlink.com/announcement/pub...

EPSS Score

70% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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