Overview
On December 22, 2022, 3rd party security research from TrendMicro ZDI reported the D-Link DIR-2640 hardware revision Ax with firmware versions v1.11B02 & v1.11B02 Beta01 as having multiple vulnerabilities.
As soon as D-Link was made aware of the reported security issues, we had promptly started our investigation and began developing security patches.
D-Link takes the issues of network security and user privacy very seriously. We have a dedicated task force and product management team on call to address evolving security issues and implement appropriate security measures.
Report information
- Reported by TrendMicro ZDI
- ZDI-CAN-19544: D-Link DIR-2640 LocalIPAddress Command Injection Remote Code Execution Vulnerability
- ZDI-CAN-19545: D-Link DIR-2640 HNAP PrivateLogin Authentication Bypass Vulnerability
- ZDI-CAN-19546: D-Link DIR-2640 prog.cgi Request Handling Stack-based Buffer Overflow Remote Code
- ZDI-CAN-19547: D-Link DIR-2640 PrefixLen Command Injection Remote Code Execution Vulnerability
- ZDI-CAN-19548: D-Link DIR-2640 DestNetwork Command Injection Remote Code Execution Vulnerability
- ZDI-CAN-19549: D-Link DIR-2640 HNAP LoginPassword Authentication Bypass Vulnerability
- ZDI-CAN-19550: D-Link DIR-2640 EmailFrom Command Injection Remote Code Execution Vulnerability
Affected Models
| Model |
Hardware Revision |
Region |
Affected FW |
Fixed FW |
Recommendation |
Last Updated |
| DIR-2640 |
All A Series Hardware Revisions |
US |
v1.11B02/v1.11B02 Beta01 & Below |
v1.11B02_Beta_Hotfix
|
Upgrade to Hofix Patch
|
01/12/2023 |
Regarding Security patch for your D-Link Devices
Firmware updates address the security vulnerabilities in affected D-Link devices. D-Link will update this continually and we strongly recommend all users to install the relevant updates.
Please note that this is a device beta software, beta firmware, or hot-fix release which is still undergoing final testing before its official release. The beta software, beta firmware, or hot-fix is provided on an “as is” and “as available” basis and the user assumes all risk and liability for use thereof. D-Link does not provide any warranties, whether express or implied, as to the suitability or usability of the beta firmware. D-Link will not be liable for any loss, whether such loss is direct, indirect, special or consequential, suffered by any party as a result of their use of the beta firmware.
As there are different hardware revisions on our products, please check this on your device before downloading the correct corresponding firmware update. The hardware revision information can usually be found on the product label on the underside of the product next to the serial number. Alternatively, they can also be found on the device web configuration.