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EUVD-2026-40237

🗓️ 29 Jun 2026 22:09:10Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 4 Views

IPv6 Neighbor Discovery input bug enables forged Router Advertisements and Neighbor messages by bypassing Hop Limit 255.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-7656
29 Jun 202622:09
attackerkb
Circl
CVE-2026-7656
29 Jun 202623:57
circl
CVE
CVE-2026-7656
29 Jun 202622:09
cve
Cvelist
CVE-2026-7656 Broken IPv6 Neighbor Discovery input validation allows spoofed RA/NS/NA acceptance in Zephyr net stack
29 Jun 202622:09
cvelist
NVD
CVE-2026-7656
29 Jun 202623:16
nvd
Positive Technologies
PT-2026-53753
29 Jun 202600:00
ptsecurity
[
  {
    "enisaIdVendor": [
      {
        "id": "6fae059d-fc81-3947-9345-034150c47866",
        "vendor": {
          "name": "zephyrproject"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "15d31262-c893-389e-8a50-e397d595dda3",
        "product": {
          "name": "Zephyr",
          "vendor": {
            "name": "zephyrproject-rtos"
          }
        },
        "product_version": "1.14.0 <4.5.0"
      }
    ]
  }
]

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