Stack-based buffer overflow in DIR-850L - CVE-2017-3193
Published: March 9, 2017
Vulnerability identifier: #VU5931
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2017-3193
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: D-Link
Affected software:
DIR-850L
DIR-850L
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing requests within the web administration interface HNAP service. A remote attacker can send a specially crafted HTTP POST request to http://<router-ip>/HNAP1/ address with modified HNAP_AUTH and SOAPAction headers, trigger stack-based buffer overflow and execute arbitrary code on the target system with root privileges.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable device.
How to mitigate CVE-2017-3193
Cybersecurity Help is currently unaware of any official solution to address this vulnerability. As a temporary solution it is recommended to block access to management interface.
Vulnerability was reported in DIR-850L, firmware versions 1.14B07, 2.07.B05. Other versions may also be affected.
Vulnerability was reported in DIR-850L, firmware versions 1.14B07, 2.07.B05. Other versions may also be affected.