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CVE-2025-31703: Authentication Bypass by Primary Weakness

🗓️ 18 Mar 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7🔗 www.rapid7.com👁 1 Views

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.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb		CVE-2025-31703
18 Mar 202607:13
–attackerkb
cnnvd
CNNVD		Dahua NVR和Dahua XVR 安全漏洞
18 Mar 202600:00
–cnnvd
cve
CVE		CVE-2025-31703
18 Mar 202607:13
–cve
cvelist
Cvelist		CVE-2025-31703
18 Mar 202607:13
–cvelist
euvd
EUVD		EUVD-2025-208815
18 Mar 202609:30
–euvd
nvd
NVD		CVE-2025-31703
18 Mar 202608:16
–nvd
ptsecurity
Positive Technologies		PT-2026-26031
18 Mar 202600:00
–ptsecurity
redhatcve
RedhatCVE		CVE-2025-31703
26 Mar 202615:18
–redhatcve
vulnrichment
Vulnrichment		CVE-2025-31703
18 Mar 202607:13
–vulnrichment

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18 Mar 2026 00:00Current
CVSS 42.4
EPSS0.00231
SSVC
1