#VU76167 Incorrect Implementation of Authentication Algorithm in DIR-2150


Published: 2023-05-16

Vulnerability identifier: #VU76167

Vulnerability risk: Medium

CVSSv3.1: 7.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-303

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
DIR-2150
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor:

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to incorrect implementation of authentication algorithm within the SOAP API interface in the HNAP function. A remote attacker on the local network can bypass authentication process and gain unauthorized access to the application.

Mitigation
Install updates from vendor's website.

Vulnerable software versions


External links
http://www.zerodayinitiative.com/advisories/ZDI-23-628/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker 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