PatchTheCVECVE-2025-31703: A vulnerability found in Dahua NVR/XVR device
CVE-2025-31703 is a low-severity flaw (CVSS 2.4) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A vulnerability found in Dahua NVR/XVR device. A third-party malicious attacker with physical access to the device may gain access to a restricted shell via the serial port, and bypasses the shell's authentication mechanism to escalate privileges.
Why this priority
- No elevated risk signals yet
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 2.4 (Low) |
| Attack vector | Physical |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 79%) |
| CISA exploited list | No |
| Weakness | CWE-305 |
| Published | 2026-03-18 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
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-2025-31703?
No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.
Is CVE-2025-31703 being exploited?
CVE-2025-31703 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-2025-31703 affect?
CVE-2025-31703 affects affected software. Severity is low (CVSS 2.4). A vulnerability found in Dahua NVR/XVR device. A third-party malicious attacker with physical access to the device may gain access to a restricted shell via the serial port, and bypasses the shell's authentication mechanism to escalate priv
How urgent is CVE-2025-31703?
Priority 14/100. No elevated risk signals yet.