CVE-2026-9140

A denial-of-service security issue exists in the 1719-AENTR. The security issue stems from improper handling of a UDP unicast network storm, which causes the device to become overloaded and lose communication. A power cycle is required to recover...

CVE-2026-9140 1718-AENTR/1719-AENTR - Denial of Service

A denial-of-service security issue exists in the 1719-AENTR. The security issue stems from improper handling of a UDP unicast network storm, which causes the device to become overloaded and lose communication. A power cycle is required to recover...

CVE-2026-9140

CVE-2026-9140 describes a denial-of-service in 1719-AENTR devices caused by improper handling of a UDP unicast network storm, leading to device overload and loss of communication. Recovery requires a power cycle. The CVSS 4.0 score is 8.7 (HIGH); attack vector is NETWORK with no privileges or use...

CVE-2026-9140: Allocation of Resources Without Limits or Throttling

A denial-of-service security issue exists in the 1719-AENTR. The security issue stems from improper handling of a UDP unicast network storm, which causes the device to become overloaded and lose communication. A power cycle is required to recover...

EUVD-2016-7396

Malware in sbrugna...

EUVD-2001-0426

Malware in sbrugna...

CVE-2016-6473

A vulnerability in Cisco IOS on Catalyst Switches and Nexus 9300 Series Switches could allow an unauthenticated, adjacent attacker to cause a Layer 2 network storm. More Information: CSCuu69332, CSCux07028. Known Affected Releases: 15.23E. Known Fixed Releases: 12.250SE4 12.250SE5 12.250SQ5...

Design/Logic Flaw

A vulnerability in Cisco IOS on Catalyst Switches and Nexus 9300 Series Switches could allow an unauthenticated, adjacent attacker to cause a Layer 2 network storm. More Information: CSCuu69332, CSCux07028. Known Affected Releases: 15.23E. Known Fixed Releases: 12.250SE4 12.250SE5 12.250SQ5...

CVE-2016-6473

CVE-2016-6473 covers a denial-of-service flaw in Cisco IOS running on Catalyst Switches and Nexus 9300 Series switches. An unauthenticated, adjacent attacker can trigger a Layer 2 network storm by abusing the device’s forwarding of Layer 2 frames that should be consumed by the first hop. Affected...

CVE-2016-6473

A vulnerability in Cisco IOS on Catalyst Switches and Nexus 9300 Series Switches could allow an unauthenticated, adjacent attacker to cause a Layer 2 network storm. More Information: CSCuu69332, CSCux07028. Known Affected Releases: 15.23E. Known Fixed Releases: 12.250SE4 12.250SE5 12.250SQ5...

CVE-2016-6473: Improper Neutralization of Special Elements in Output Used by a Downstream Component

A vulnerability in Cisco IOS on Catalyst Switches and Nexus 9300 Series Switches could allow an unauthenticated, adjacent attacker to cause a Layer 2 network storm. More Information: CSCuu69332, CSCux07028. Known Affected Releases: 15.23E. Known Fixed Releases: 12.250SE4 12.250SE5 12.250SQ5...

Cisco IOS Frame Forwarding Denial of Service Vulnerability (cisco-sa-20161207-ios)

A vulnerability in Cisco IOS on Catalysts Switches and Nexus 9300 Series Switches could allow an unauthenticated, adjacent attacker to cause a Layer 2 network storm. SPDX-FileCopyrightText: 2016 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C ...

Cisco IOS Frame Forwarding Denial of Service Vulnerability

A vulnerability in Cisco IOS on Catalysts Switches and Nexus 9300 Series Switches could allow an unauthenticated, adjacent attacker to cause a Layer 2 network storm. The vulnerability occurs because the software forwards Layer 2 frames that should be consumed by the first hop. An attacker could...

Cisco Catalyst 5000 Series Frame STP Port Broadcast DoS (CSCdt62732)

When an 802.1x IEEE standard for port based network access control frame is received by an affected Catalyst 5000 series switch on a STP Spanning Tree Protocol blocked port it is forwarded in that VLAN Virtual Local Area Network instead of being dropped. This causes a performance impacting 802.1x...

CVE-2001-0429

Cisco Catalyst 5000 series switches 6.12 and earlier will forward an 802.1x frame on a Spanning Tree Protocol STP blocked port, which causes a network storm and a denial of service...

CVE-2001-0429

CVE-2001-0429 affects Cisco Catalyst 5000 series switches (versions 6.1(2) and earlier). The issue occurs when an 802.1x frame is received on a STP blocked port and is forwarded within that VLAN, causing a network storm and a denial of service. The connected Nessus/CSCs detail the same STP/802.1x...

CVE-2001-0429: Undefined Security Weakness

Cisco Catalyst 5000 series switches 6.12 and earlier will forward an 802.1x frame on a Spanning Tree Protocol STP blocked port, which causes a network storm and a denial of service...

CVE-2001-0429

Cisco Catalyst 5000 series switches 6.12 and earlier will forward an 802.1x frame on a Spanning Tree Protocol STP blocked port, which causes a network storm and a denial of service...

Security Advisory: Catalyst 5000 Series 802.1x Vulnerability

-----BEGIN PGP SIGNED MESSAGE----- Cisco Security Advisory: Catalyst 5000 Series 802.1x Vulnerability ============================================================================= Revision 1.0 For Public Release 2001 April 16 at 1500 UTC...