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CVE-2026-20118 Cisco IOS-XR NCS 5500 and NCS 5700 Egress Packet Network Interfaces Aligner Interrupt Denial of Service Vulnerability

🗓️ 11 Mar 2026 16:31:32Reported by ciscoType 
cvelist
 cvelist
🔗 www.cve.org👁 26 Views

Cisco IOS XR EPNI Aligner interrupt can cause persistent denial of service on Network Convergence System devices.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-20118
11 Mar 202616:31
attackerkb
Circl
CVE-2026-20118
11 Mar 202616:37
circl
Cisco
Cisco IOS XR Egress Packet Network Interface Aligner Interrupt Denial of Service Vulnerability
11 Mar 202616:00
cisco
CNNVD
Cisco IOS XR 安全漏洞
11 Mar 202600:00
cnnvd
CVE
CVE-2026-20118
11 Mar 202616:31
cve
EUVD
EUVD-2026-11224
11 Mar 202618:30
euvd
NCSC
Vulnerabilities fixed in Cisco IOS XR
12 Mar 202614:44
ncsc
NVD
CVE-2026-20118
11 Mar 202617:16
nvd
Positive Technologies
PT-2026-24733
11 Mar 202600:00
ptsecurity
RedhatCVE
CVE-2026-20118
26 Mar 202615:07
redhatcve
Rows per page
[
  {
    "vendor": "Cisco",
    "product": "Cisco IOS XR Software",
    "versions": [
      {
        "version": "7.9.1",
        "status": "affected"
      },
      {
        "version": "7.10.1",
        "status": "affected"
      },
      {
        "version": "7.9.2",
        "status": "affected"
      },
      {
        "version": "7.11.1",
        "status": "affected"
      },
      {
        "version": "7.10.2",
        "status": "affected"
      },
      {
        "version": "24.1.1",
        "status": "affected"
      },
      {
        "version": "7.11.2",
        "status": "affected"
      },
      {
        "version": "24.2.1",
        "status": "affected"
      },
      {
        "version": "24.1.2",
        "status": "affected"
      },
      {
        "version": "24.3.1",
        "status": "affected"
      },
      {
        "version": "24.4.1",
        "status": "affected"
      },
      {
        "version": "24.2.11",
        "status": "affected"
      },
      {
        "version": "24.2.2",
        "status": "affected"
      },
      {
        "version": "7.11.21",
        "status": "affected"
      },
      {
        "version": "24.2.20",
        "status": "affected"
      },
      {
        "version": "24.3.2",
        "status": "affected"
      },
      {
        "version": "25.1.1",
        "status": "affected"
      },
      {
        "version": "24.3.20",
        "status": "affected"
      },
      {
        "version": "24.4.2",
        "status": "affected"
      },
      {
        "version": "25.1.2",
        "status": "affected"
      },
      {
        "version": "24.3.30",
        "status": "affected"
      },
      {
        "version": "24.4.30",
        "status": "affected"
      },
      {
        "version": "24.2.21",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  }
]

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