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CVE-2026-5857

🗓️ 06 Aug 2026 18:52:40Reported by VulnCheckType 
cve
 cve
🔗 web.nvd.nist.gov👁 8 Views

CVE-2026-5857: Contiki-NG MQTT client out-of-bounds write in PUBLISH topic parsing across TCP segments.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-5857
6 Aug 202618:52
attackerkb
circl
Circl
CVE-2026-5857
7 Aug 202600:37
circl
cvelist
Cvelist
CVE-2026-5857 Contiki-NG MQTT Client Out-of-Bounds Write in PUBLISH Topic Parser via Persistent State Between TCP Segments
6 Aug 202618:52
cvelist
euvd
EUVD
EUVD-2026-54226
7 Aug 202600:31
euvd
nvd
NVD
CVE-2026-5857
6 Aug 202622:18
nvd
Vulners
Node
contiki-ngcontiki-ngRange0a34a2dbdc8bea784bd2ae5079aa4be520cd74f2d
[
  {
    "vendor": "Contiki-NG",
    "product": "Contiki-NG",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "a34a2dbdc8bea784bd2ae5079aa4be520cd74f2d",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "affected"
  }
]

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06 Aug 2026 22:18Current
6.3Medium risk
Vulners AI Score6.3
CVSS 3.18.1
CVSS 49.2
8