What is CVE-2025-45784?

CVE-2025-45784 is a critical-severity vulnerability in Dlink Dph-400s, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2025-06-18.

How severe is CVE-2025-45784?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Dlink Dph-400s

CVE-2025-45784

D-Link DPH-400S/SE VoIP Phone v1.01 contains hardcoded provisioning variables, including PROVIS_USER_PASSWORD, which may expose sensitive user credentials. An attacker with access to the firmware image can extract these credentials using static analysis tools such as strings or xxd, potentially leading to unauthorized access to device functions or user accounts. This vulnerability exists due to insecure storage of sensitive information in the firmware binary.

Published 2025-06-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (44.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 44.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.001

Affected products

Dlink Dph-400s
Dlink Dph-400se
Dlink Dph-400se Firmware — versions 1.01
Dlink Dph-400s Firmware — versions 1.01

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

References

www.dlink.com/en/security-bulletin/ (Vendor Advisory)
cybermaya.in/posts/Post-37/ (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-45784?: CVE-2025-45784 is a critical-severity vulnerability in Dlink Dph-400s, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2025-06-18.
How severe is CVE-2025-45784?: Critical severity. CVSS v3 base score is 9.8 out of 10.