CVE-2025-31703

2.4 lowEPSS 0.3%

Low (2.4). EPSS 0.3% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

2.4 low

CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 21% of CVEs (scores of 2026-10-31)
CWE: CWE-305
Published: 2026-03-18
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

https://www.dahuasecurity.com/about-dahua/trust-center/dahua-psirt/security-advisory-%E2%80%93-vulnerability-found-in-dahua-nvr-xvr-device

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