Vulnerability-Lookup

GHSA-26QR-26WF-XV6X

Vulnerability from github – Published: 2026-03-18 09:30 – Updated: 2026-03-18 09:30

Details

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 ?

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

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{
  "affected": [],
  "aliases": [
    "CVE-2025-31703"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-305"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-03-18T08:16:26Z",
    "severity": "LOW"
  },
  "details": "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\u0027s authentication mechanism to escalate privileges.",
  "id": "GHSA-26qr-26wf-xv6x",
  "modified": "2026-03-18T09:30:28Z",
  "published": "2026-03-18T09:30:28Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-31703"
    },
    {
      "type": "WEB",
      "url": "https://www.dahuasecurity.com/about-dahua/trust-center/dahua-psirt/security-advisory-%E2%80%93-vulnerability-found-in-dahua-nvr-xvr-device"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2025-31703 (GCVE-0-2025-31703)

Vulnerability from cvelistv5 – Published: 2026-03-18 07:13 – Updated: 2026-03-18 14:09

Summary

Severity ?

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

CWE

CWE-305 - Authentication bypass by primary weakness

Assigner

dahua

References

URL

Tags

https://www.dahuasecurity.com/about-dahua/trust-c…

Impacted products

Vendor

Product

Version

dahua

NVR2-4KS3

Affected: Versions which Build time prior to 3rd March 2026

	dahua	XVR4232AN-I/T	Affected: Versions which Build time prior to 3rd March 2026
	dahua	XVR1B16H-I/T	Affected: Versions which Build time prior to 3rd March 2026

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  "containers": {
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        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-31703",
                "options": [
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                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-03-18T14:09:19.621439Z",
                "version": "2.0.3"
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              "type": "ssvc"
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        ],
        "providerMetadata": {
          "dateUpdated": "2026-03-18T14:09:28.123Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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        {
          "defaultStatus": "unaffected",
          "product": "NVR2-4KS3",
          "vendor": "dahua",
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            "subConfidentialityImpact": "LOW",
            "subIntegrityImpact": "LOW",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
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          "url": "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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      "source": {
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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-26QR-26WF-XV6X

CVE-2025-31703 (GCVE-0-2025-31703)

Tags

Sightings

Nomenclature