CVE-2025-14208

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.

CVSS 4.0

2.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

CVSS 3.1

6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

EPSS

3.4% chance of exploitation in the next 30 days; higher than 88% of CVEs (scores of 2026-10-25)

CWEs

CWE-74, CWE-77

Published

2025-12-08

Modified

2026-10-14

Record from

the NVD, synced 2026-10-19

Affected

• dlink:dir-823x_firmware

References

• https://github.com/panda666-888/vuls/blob/main/d-link/dir-823x/set_wan_settings.md
• https://github.com/panda666-888/vuls/blob/main/d-link/dir-823x/set_wan_settings.md#poc
• https://vuldb.com/?ctiid.334651
• https://vuldb.com/?id.334651
• https://vuldb.com/?submit.700499

Check your stackJSON