Overview
  
 
 
 
On October 15, 2019, D-Link became aware  of CVE-2019-17508 that accuses the DIR-859 Rev.Ax and DIR-850L Rev. Ax having an Unauthenticated Command Injection Security Vulnerability. D-Link has investigated the report, cofirms the issue, and has released patches to close the security vulnerabilitiy.
 
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. 
 
 
Disclosure
 
 
CVE-2019-17508 : D-Link DIR-859 Ax v1.06 and DIR-850 Ax v1.13 devices,  /etc/services/DEVICE.TIME.php allows command injection via the $SERVER  variable.   
 
     - https://github.com/dahua966/Routers-vuls/tree/master/DIR-859
     - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17508
     - https://www.cvedetails.com/cve/CVE-2019-17508/
 
  
Affected Products
 
 
Currently, the following D-Link brand devices are affected and the following patches are available for upgrading:
 
    
        
            | Model | HW Rev. | Region | Affected FW | Fixed FW | Current FW | Recommendation | Info Last Update | 
    
    
        
            | DIR-859 | All Ax Revs 
 | US | v1.06 & older | v1.07b03_jbli | v1.07b03_jbli | Released 
 | 12/23/2019 | 
        
            | DIR-850L | All Ax Revs 
 | US | v1.13 & older | v1.21WWb07 | v1.21WWb07 | Released 
 | 12/23/2019 | 
    
 
Security patch for your D-Link Devices
 
This firmware is an update security vulnerabilities in affected D-Link     devices. D-Link will update this continually and we strongly recommend     all users to install this relevant updates.
 
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.