#VU25540 Incorrect Implementation of Authentication Algorithm in DAP-1330 - CVE-2020-8861

Vulnerability identifier: #VU25540

Vulnerability risk: Low

CVSSv4.0: 6.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-8861

CWE-ID: CWE-303

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
DAP-1330
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: D-Link

Description

The vulnerability allows a remote attacker to to bypass authentication process.

The vulnerability exists due to a lack of proper handling of cookies within the handling of HNAP login requests. A remote attacker on the local network can bypass authentication and reset the admin password.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

DAP-1330: v1.10B01_Beta

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External links
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10155
https://www.zerodayinitiative.com/advisories/ZDI-20-265/

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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.