CVE-2020-8863

8.8HIGH

Key Information:

Vendor
D-link
Status
Multiple Routers
Vendor
CVE Published:
23 March 2020

Summary

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-867, DIR-878, and DIR-882 routers with firmware 1.10B04. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of HNAP login requests. The issue results from the lack of proper implementation of the authentication algorithm. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of the router. Was ZDI-CAN-9470.

Affected Version(s)

Multiple Routers 1.10B04

References

https://www.zerodayinitiative.com/advisories/ZDI-20-267/
x_refsource_MISC
https://supportannouncement.us.dlink.com/announcement/pub...
x_refsource_MISC

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

chung96vn - Security Researcher of VinCSS (Member of Vingroup)
.