Authentication Bypass Vulnerability in D-Link DIR-867, DIR-878, and DIR-882 Routers
CVE-2020-8863

8.8HIGH

Key Information:

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

Summary

This vulnerability enables attackers on the same network to bypass authentication in D-Link DIR-867, DIR-878, and DIR-882 routers, specifically those running firmware version 1.10B04. The flaw resides in the improper handling of HNAP login requests, leading to an unforeseen lack of necessary authentication. Consequently, attackers can exploit this weakness to escalate privileges and execute arbitrary code within the affected router's context, posing significant risks to network integrity and security.

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)
.