CVE-2025-31703
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.
Published:Mar 18, 2026
Last Modified:Mar 24, 2026
EPS:Mar 18, 2026
EPSS Score:0.00028
CVSS Score:2.4
Affected Products
Vendor
Product
Action
Vendor
Dahua
Product
Nvr2-4ks3
Dahua
Nvr2-4ks3
Vendor
Dahua
Product
Xvr1b16h-i/t
Dahua
Xvr1b16h-i/t
Vendor
Dahua
Product
Xvr4232an-i/t
Dahua
Xvr4232an-i/t
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
No CAPEC recorded yet
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
