ZDI-CAN-9470: D-Link Multiple Routers HNAP PrivateLogin Incorrect Implementation of Authentication Algorithm Authentication Bypass Vulnerability
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-867, DIR-878, and DIR-882 routers. 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.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| D-Link Multiple Routers |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-CAN-9470?
The severity of ZDI-CAN-9470 is considered critical due to the ability to bypass authentication without user credentials.
How do I fix ZDI-CAN-9470?
To fix ZDI-CAN-9470, update the firmware of affected D-Link routers to the latest version provided by the manufacturer.
Which devices are affected by ZDI-CAN-9470?
ZDI-CAN-9470 affects the D-Link DIR-867, DIR-878, and DIR-882 router models.
Can ZDI-CAN-9470 be exploited remotely?
Yes, ZDI-CAN-9470 can be exploited by network-adjacent attackers without the need for physical access.
What is the impact of ZDI-CAN-9470 on router security?
The impact of ZDI-CAN-9470 on router security is significant as it allows unauthorized access to the router's settings.
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- alias/ZDI-20-267
- alias/ZDI-CAN-9470
- alias/CVE-2020-8863
- agent/software-canonical-lookup
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- canonical/d-link multiple routers