Incorrect Implementation of Authentication Algorithm in D-Link DAP-1330



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-8861
CWE-ID CWE-303
Exploitation vector Local network
Public exploit N/A
Vulnerable software
 DAP-1330
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor D-Link

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Incorrect Implementation of Authentication Algorithm

EUVDB-ID: #VU25540

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 - Incorrect Implementation of Authentication Algorithm

Exploit availability: No

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

CPE2.3 External links

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


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).

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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



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