Risk | High |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | N/A |
CWE-ID | CWE-912 |
Exploitation vector | Network |
Public exploit | This vulnerability is being exploited in the wild. |
Vulnerable software Subscribe |
D-Link DNS-320 Hardware solutions / Firmware |
Vendor | D-Link |
Security Bulletin
This security bulletin contains information about 1 vulnerabilities.
The vulnerability in D-Link DNS-320L/LW devices appears to be silently fixed by the vendor in 2015.
EUVDB-ID: #VU9871
Risk: Critical
CVSSv3.1: 9.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C]
CVE-ID: N/A
CWE-ID:
CWE-912 - Hidden Functionality (Backdoor)
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain unauthorized access to vulnerable device.
The vulnerability exists due to presence of a backdoor code (hard-coded account credentials) in firmware shared by WD My Cloud and D-LINK DNS-320L ShareCenter software. A remote attacker can send a specially crafted HTTP GET request to the affected device and gain unauthorized access to it.
Exploitation example:
GET /cgi-bin/nas_sharing.cgi?dbg=1&cmd=51&user=mydlinkBRionyg&passwd=YWJjMTIzNDVjYmE&start=1&count=1;touch+/tmp/gulftech; HTTP/1.1
Update to version 1.06 or later.
Vulnerable software versionsD-Link DNS-320: 1.00 - 1.05
External linkshttp://gulftech.org/advisories/DNS-320L%20ShareCenter%20Backdoor/126
ftp://ftp2.dlink.com/PRODUCTS/DNS-320L/REVA/DNS-320L_REVA_RELEASE_NOTES_v1.10B03_EN.pdf
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
Yes. This vulnerability is being exploited in the wild.