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CVE-2025-31703

LOW
2.4
CVSS Score
Published: March 18, 2026 at 07:13 AM UTC
Updated: June 17, 2026 at 09:10 AM UTC
3 products affected across 1 vendorXVR1B16H-I/TXVR4232AN-I/TNVR2-4KS3

Using NVR2-4KS3 by dahua?

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Severity
LOW2.4
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

NVR2-4KS3· Dahua
60%
v < 3rd
Affected range stops below 3rd, so it looks safe — our inference, not a vendor statement
XVR1B16H-I/T· Dahua
60%
v < 3rd
Affected range stops below 3rd, so it looks safe — our inference, not a vendor statement
XVR4232AN-I/T· Dahua
60%
v < 3rd
Affected range stops below 3rd, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

2.4LOWdahua
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-305

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