Lucene search
+L

CVE-2026-71920 DrayTek VigorSwitch Multiple Models NULL Pointer Dereference via formlogout

🗓️ 24 Aug 2026 17:07:50Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 6 Views

NULL pointer dereference in DrayTek VigorSwitch formlogout via missing Cookie check enables DoS.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-71920
24 Aug 202600:00
cve
euvd
EUVD
EUVD-2026-64979
24 Aug 202617:07
euvd
nvd
NVD
CVE-2026-71920
24 Aug 202618:17
nvd
ptsecurity
Positive Technologies
PT-2026-80954
24 Aug 202600:00
ptsecurity
vulnrichment
Vulnrichment
CVE-2026-71920 DrayTek VigorSwitch Multiple Models NULL Pointer Dereference via formlogout
24 Aug 202617:07
vulnrichment
[
  {
    "vendor": "DrayTek Corporation",
    "product": "VigorSwitch G2540xs",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "lessThan": "3.9.10",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "DrayTek Corporation",
    "product": "VigorSwitch P2540xs",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "lessThan": "3.9.10",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "DrayTek Corporation",
    "product": "VigorSwitch FX2120",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "lessThan": "3.9.10",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "DrayTek Corporation",
    "product": "VigorSwitch G2282x",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "lessThan": "2.10.6",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "DrayTek Corporation",
    "product": "VigorSwitch P2282x",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "lessThan": "2.10.6",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "DrayTek Corporation",
    "product": "VigorSwitch Q2300x",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "lessThan": "2.10.7",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "DrayTek Corporation",
    "product": "VigorSwitch PQ2300xb",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "lessThan": "2.10.7",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "DrayTek Corporation",
    "product": "VigorSwitch G2542x",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "lessThan": "3.10.6",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "DrayTek Corporation",
    "product": "VigorSwitch P2542x",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "lessThan": "3.10.6",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "DrayTek Corporation",
    "product": "VigorSwitch P2542xh",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "lessThan": "3.10.6",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "DrayTek Corporation",
    "product": "VigorSwitch PX2060",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "lessThan": "2.9.10",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "DrayTek Corporation",
    "product": "VigorSwitch G1280",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "lessThan": "2.9.10",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "DrayTek Corporation",
    "product": "VigorSwitch P1280",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "lessThan": "2.9.10",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "DrayTek Corporation",
    "product": "VigorSwitch P1281x",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "lessThan": "2.9.10",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "DrayTek Corporation",
    "product": "VigorSwitch G1282",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "lessThan": "2.9.10",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "DrayTek Corporation",
    "product": "VigorSwitch P1282",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "lessThan": "2.9.10",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "DrayTek Corporation",
    "product": "VigorSwitch G2121",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "lessThan": "2.9.10",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "DrayTek Corporation",
    "product": "VigorSwitch P2121",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "lessThan": "2.9.10",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "DrayTek Corporation",
    "product": "VigorSwitch PQ2121x",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "lessThan": "2.9.10",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "DrayTek Corporation",
    "product": "VigorSwitch Q2121x",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "lessThan": "2.9.10",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "DrayTek Corporation",
    "product": "VigorSwitch G2280x",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "lessThan": "2.9.10",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "DrayTek Corporation",
    "product": "VigorSwitch P2280x",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "lessThan": "2.9.10",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "DrayTek Corporation",
    "product": "VigorSwitch Q2200x",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "lessThan": "2.9.10",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "DrayTek Corporation",
    "product": "VigorSwitch PQ2200xb",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "lessThan": "2.9.10",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "DrayTek Corporation",
    "product": "VigorSwitch G2100",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "lessThan": "2.9.10",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "DrayTek Corporation",
    "product": "VigorSwitch P2100",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "lessThan": "2.9.10",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "DrayTek Corporation",
    "product": "VigorSwitch G2540x",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "lessThan": "2.9.10",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "DrayTek Corporation",
    "product": "VigorSwitch P2540x",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "lessThan": "2.9.10",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation