Description
A security flaw has been discovered in D-Link DIR-823X up to 20250416. This affects the function sub_415028 of the file /goform/set_wan_settings. The manipulation of the argument ppp_username results in command injection. It is possible to launch the attack remotely. The exploit has been released to the public and may be exploited.
References (6)
Core 6
Core References
Permissions Required, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.334651
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.334651
Permissions Required, VDB Entry third-party-advisory
https://vuldb.com/?submit.700499
Various Sources related
https://github.com/panda666-888/vuls/blob/main/d-link/dir-823x/set_wan_settings.md
Various Sources exploit
https://github.com/panda666-888/vuls/blob/main/d-link/dir-823x/set_wan_settings.md#poc
Various Sources product
https://www.dlink.com/
Scores
CVSS v3
6.3
EPSS
0.0083
EPSS Percentile
74.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-74
CWE-77
Status
published
Products (1)
dlink/dir-823x_firmware
Published
Dec 08, 2025
Tracked Since
Feb 18, 2026