Vulnerability Note VU#184100
D-Link DAP-1320 Rev Ax is vulnerable to a command injection
Original Release date: 16 Mar 2015 | Last revised: 16 Mar 2015

Overview
The D-Link DAP-1320 Rev Ax firmware update mechanism contains a command injection vulnerability.

Description
CWE-78: Improper Neutralization of Special Elements used in an OS Command (‘OS Command Injection’)
A remote unauthenticated attacker may execute commands on the device by taking advantage of the firmware update mechanism. This attack does require interception and manipulation of network communications using commonly available tools.

The D-Link DAP-1320 Rev Ax firmware version 1.11 (released 22 Dec 2013) has been shown to be vulnerable. Other firmware versions prior to version 1.21b05 may also be vulnerable.

Impact
A remote unauthenticated attacker may execute commands on the device by taking advantage of the firmware update mechanism.

Solution
Update the firmware

According to D-Link’s security advisory, users should update the firmware of affected devices to version 1.21b05.

Vendor Information (Learn More)

VendorStatusDate NotifiedDate UpdatedD-Link Systems, Inc.Affected-13 Mar 2015If you are a vendor and your product is affected, let
us know.

CVSS Metrics (Learn More)

Group
Score
Vector

Base
10.0
AV:N/AC:L/Au:N/C:C/I:C/A:C

Temporal
7.8
E:POC/RL:OF/RC:C

Environmental
5.9
CDP:ND/TD:M/CR:ND/IR:ND/AR:ND

References

http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-2050
http://securityadvisories.dlink.com/security/publication.aspx?name=SAP10050

Credit

Thanks to Mike Baucom, Allen Harper, and J. Rach of Tangible Security for discovering and reporting this vulnerability. Tangible Security would also like to publically thank D-Link for their cooperation and desire to make their products and customers more secure.
This document was written by Garret Wassermann.

Other Information

CVE IDs:
CVE-2015-2050

Date Public:
13 Mar 2015

Date First Published:
16 Mar 2015

Date Last Updated:
16 Mar 2015

Document Revision:
17

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