PatchTheCVECVE-2025-45784: D-Link DPH-400S/SE VoIP Phone v1.01 contains hardcoded provisioning variables, including PROVIS_USER_PASSWORD,
CVE-2025-45784 is a critical-severity flaw (CVSS 9.8) affecting dph-400se firmware, dph-400s firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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 fir
Why this priority
- Critical severity
- Public exploit reference
- Remotely exploitable, no login, no user action
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.6% (top 54%) |
| CISA exploited list | No |
| Weakness | CWE-798 |
| Published | 2025-06-18 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2025-45784?
dph-400se firmware: mitigate or apply the listed mitigation; dph-400s firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2025-45784 being exploited?
CVE-2025-45784 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2025-45784 affect?
CVE-2025-45784 affects dph-400se firmware, dph-400s firmware. Severity is critical (CVSS 9.8). 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 st
How urgent is CVE-2025-45784?
Priority 56/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action