#VU69463 Format string error in DIR-1935


Published: 2022-11-21

Vulnerability identifier: #VU69463

Vulnerability risk: Low

CVSSv3.1: 5.9 [CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-43619

CWE-ID: CWE-134

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
DIR-1935
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: D-Link

Description

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to a format string error within the handling of ConfigFileUpload requests to the web management portal. A remote administrator on the local network can supply a specially crafted input that contains format string specifiers and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

DIR-1935: 1.03b02


External links
http://www.zerodayinitiative.com/advisories/ZDI-22-1493/
http://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10310


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability