PT-2026-26031 · Dahua · Nvr2-4Ks3+2

Published 2026-03-18 · Updated 2026-03-18 · CVE-2025-31703

Mitre

CVSS v4.0

2.4

2.4

Low

Base vector

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

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.

Fix

Weakness Enumeration

CWE-305

Related Identifiers

CVE-2025-31703

Affected Products

Nvr2-4Ks3

Xvr1B16H-I/T

Xvr4232An-I/T

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2025-31703 · Security Note
• https://dahuasecurity.com/about-dahua/trust-center/dahua-psirt/security-advisory-%E2%80%93-vulnerability-found-in-dahua-nvr-xvr-device · Note