ZDI-23-540: D-Link DIR-2640 HNAP PrivateLogin Authentication Bypass Vulnerability
First published: Thu May 04 2023(Updated: )
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-2640 routers. Authentication is not required to exploit this vulnerability.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| D-Link DIR-2640-US Firmware |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-23-540?
The severity of ZDI-23-540 is considered critical due to its potential to allow authentication bypass.
How do I fix ZDI-23-540?
To fix ZDI-23-540, update the D-Link DIR-2640 router firmware to the latest version provided by D-Link.
Who is affected by ZDI-23-540?
ZDI-23-540 affects all installations of D-Link DIR-2640 routers.
Can ZDI-23-540 be exploited remotely?
ZDI-23-540 requires network-adjacent access to exploit, meaning the attacker must be on the same local network.
What are the implications of ZDI-23-540?
The implications of ZDI-23-540 include potential unauthorized access to router settings and the ability to manipulate network traffic.
- collector/zdi-published
- alias/ZDI-CAN-19545
- agent/type
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- collector/zdi-advisory
- source/ZDI
- alias/ZDI-23-540
- alias/CVE-2023-32148
- agent/software-canonical-lookup
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- vendor/d-link
- canonical/d-link dir-2640-us firmware