CVE-2020-8863

Description

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.

Categories

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.59% Top 20%
Third-Party Advisory dlink.com Third-Party Advisory zerodayinitiative.com
Affected: D-Link Multiple Routers
Published at:
Updated at:

References

Link Tags
https://www.zerodayinitiative.com/advisories/ZDI-20-267/ vdb entry third party advisory
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10157 third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-8863?
CVE-2020-8863 has been scored as a high severity vulnerability.
How to fix CVE-2020-8863?
To fix CVE-2020-8863, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-8863 being actively exploited in the wild?
It is possible that CVE-2020-8863 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-8863?
CVE-2020-8863 affects D-Link Multiple Routers.
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