PT-2019-12081 · D Link · Dir-806

Published 2019-09-06 · Updated 2020-08-24 · CVE-2019-10892

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions D-Link DIR-806 devices (affected versions not specified)

Description A stack-based buffer overflow issue exists due to the function hnap main at the /htdocs/cgibin endpoint. This function calls sprintf without checking the length of strings in parameters given by the HTTP header, which can be controlled by users, leading to a stack-based buffer overflow via a specially crafted HTTP header.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2019-10892

Affected Products

Dir-806

References · 3

• 🔥❌ https://github.com/Kirin-say/Vulnerabilities/blob/master/DIR-806_Stack_Overflow_to_Run_Shellcode.md · Exploit, Deleted
• https://nvd.nist.gov/vuln/detail/CVE-2019-10892 · Security Note
• https://osv.dev/vulnerability/CVE-2019-10892 · Vendor Advisory