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CVE-2025-20340 Cisco IOS XR Address Resolution Protocol Broadcast Storm Vulnerability

🗓️ 10 Sep 2025 16:06:58Reported by ciscoType 
cvelist
 cvelist
🔗 www.cve.org👁 7 Views

Address Resolution Protocol flaw in IOS XR allows an adjacent attacker to trigger a broadcast storm and denial of service.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2025-20340
10 Sep 202516:34
circl
Cisco
Cisco IOS XR ARP Broadcast Storm Denial of Service Vulnerability
10 Sep 202516:00
cisco
Tenable Nessus
Cisco IOS XR ARP Broadcast Storm Denial of Service (cisco-sa-iosxr-arp-storm-EjUU55yM)
30 Sep 202500:00
nessus
CNNVD
Cisco IOS XR 资源管理错误漏洞
10 Sep 202500:00
cnnvd
CNVD
Cisco IOS XR Resource Management Error Vulnerability (CNVD-2025-21253)
12 Sep 202500:00
cnvd
CVE
CVE-2025-20340
10 Sep 202516:06
cve
EUVD
EUVD-2025-27573
3 Oct 202520:07
euvd
NCSC
Vulnerabilities fixed in Cisco IOS XR Software
11 Sep 202508:14
ncsc
NVD
CVE-2025-20340
10 Sep 202516:15
nvd
Positive Technologies
PT-2025-37065
10 Sep 202500:00
ptsecurity
Rows per page
[
  {
    "vendor": "Cisco",
    "product": "Cisco IOS XR Software",
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        "version": "7.8.2",
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        "version": "7.5.4",
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        "version": "6.5.33",
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        "version": "7.8.22",
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        "version": "7.7.21",
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        "version": "7.9.2",
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    "defaultStatus": "unknown"
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]

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