DLINK DPH-400SE Exposure of Sensitive Information

CVE Category Price Severity
CVE-2021-31232 CWE-200 $5,000 Critical
Author Risk Exploitation Type Date
Unknown High Remote 2023-09-09
CVSS:4.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N 0.02192 0.50148

CVSS vector description

Our sensors found this exploit at:

Below is a copy:

DLINK DPH-400SE Exposure of Sensitive Information
# Exploit Title : DLINK DPH-400SE - Exposure of Sensitive Information
# Date : 25-08-2023
# Exploit Author : tahaafarooq
# Vendor Homepage :
# Version : FRU2.2.15.8
# Tested on: DLINK DPH-400SE (VoIP Phone)


With default credential for the guest user "guest:guest" to login on the web portal, the guest user can head to maintenance tab under access and modify the users which allows guest user to modify all users as well as view passwords for all users. For a thorough POC writeup visit:


1. Login with the default guest credentials "guest:guest"
2. Access the Maintenance tab.
3. Under the maintenance tab, access the "Access" feature
4. On "Account Option" choose a user to modify, thus "Admin" and click modify.
5. Right click on the password, and click reveal, the password is then seen in plaintext.

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