CVE-2026-33781 Junos OS: EX Series, QFX Series: In a VXLAN scenario when specific control protocol packets are received, memory leaks and eventually no traffic is passed

An Improper Check for Unusual or Exceptional Conditions vulnerability in the packet forwarding engine pfe of Juniper Networks Junos OS on specific EX and QFX Series devices allow an unauthenticated, adjacent attacker to cause a complete Denial of Service DoS. On EX4k, and QFX5k platforms configur...

EUVD-2011-2051

Malware in sbrugna...

EUVD-2019-6274

Malware in sbrugna...

Considerations for Connecting XenServer to the Switch Ports

This article contains information about connecting XenServer to a switch. Background Switch ports must be configured differently for a XenServer host as opposed to a standard computer. The following considerations are recommended when connecting a XenServer to a switch: If using Spanning Tree...

Siemens SCALANCE and RUGGEDCOM Devices Stack-Based Buffer Overflow (CVE-2021-25667)

A vulnerability has been identified in RUGGEDCOM RM1224 All versions = V4.3 and = V4.3 and = V4.3 and = V2.0 and V2.1.3, SCALANCE XB-200 All versions V4.1, SCALANCE XC-200 All versions V4.1, SCALANCE XF-200BA All versions V4.1, SCALANCE XM400 All versions V6.2, SCALANCE XP-200 All versions V4.1,...

CVE-2021-25667

A vulnerability has been identified in RUGGEDCOM RM1224 All versions = V4.3 and = V4.3 and = V4.3 and = V2.0 and V2.1.3, SCALANCE XB-200 All versions V4.1, SCALANCE XC-200 All versions V4.1, SCALANCE XF-200BA All versions V4.1, SCALANCE XM400 All versions V6.2, SCALANCE XP-200 All versions V4.1,...

CVE-2021-25667

A vulnerability has been identified in RUGGEDCOM RM1224 All versions = V4.3 and = V4.3 and = V4.3 and = V2.0 and V2.1.3, SCALANCE XB-200 All versions V4.1, SCALANCE XC-200 All versions V4.1, SCALANCE XF-200BA All versions V4.1, SCALANCE XM400 All versions V6.2, SCALANCE XP-200 All versions V4.1,...

Stack overflow

A vulnerability has been identified in RUGGEDCOM RM1224 All versions = V4.3 and = V4.3 and = V4.3 and = V2.0 and V2.1.3, SCALANCE XB-200 All versions V4.1, SCALANCE XC-200 All versions V4.1, SCALANCE XF-200BA All versions V4.1, SCALANCE XM400 All versions V6.2, SCALANCE XP-200 All versions V4.1,...

CVE-2021-25667

A vulnerability has been identified in RUGGEDCOM RM1224 All versions = V4.3 and = V4.3 and = V4.3 and = V2.0 and V2.1.3, SCALANCE XB-200 All versions V4.1, SCALANCE XC-200 All versions V4.1, SCALANCE XF-200BA All versions V4.1, SCALANCE XM400 All versions V6.2, SCALANCE XP-200 All versions V4.1,...

Design/Logic Flaw

A vulnerability in the bridge protocol data unit BPDU forwarding functionality of Cisco Aironet Access Points APs could allow an unauthenticated, adjacent attacker to cause an AP port to go into an error disabled state. The vulnerability occurs because BPDUs received from specific wireless client...

CVE-2019-15265

CVE-2019-15265 affects Cisco Aironet Access Points, specifically the BPDU forwarding feature. The issue arises when BPDUs from certain wireless clients are forwarded incorrectly, which can allow an unauthenticated adjacent attacker to induce a DoS by forcing an AP port to an error-disabled/offlin...

CVE-2019-15265 Cisco Aironet Access Points Bridge Protocol Data Unit Port Disable Denial of Service Vulnerability

A vulnerability in the bridge protocol data unit BPDU forwarding functionality of Cisco Aironet Access Points APs could allow an unauthenticated, adjacent attacker to cause an AP port to go into an error disabled state. The vulnerability occurs because BPDUs received from specific wireless client...

Cisco Aironet Access Points Bridge Protocol Data Unit Port Disable Denial of Service Vulnerability

A vulnerability in the bridge protocol data unit BPDU forwarding functionality of Cisco Aironet Access Points APs could allow an unauthenticated, adjacent attacker to cause an AP port to go into an error disabled state. The vulnerability occurs because BPDUs received from specific wireless client...

Authentication flaw

The cat6000-dot1x component in Cisco IOS 12.2 before 12.233SXI7 does not properly handle 1 a loop between a dot1x enabled port and an open-authentication dot1x enabled port and 2 a loop between a dot1x enabled port and a non-dot1x port, which allows remote attackers to cause a denial of service...

CVE-2011-2057

The CVE-2011-2057 issue affects Cisco IOS 12.2-era cat6000-dot1x: when handling dot1x ports, a loop between a dot1x-enabled port and an open-authentication or non-dot1x port can trigger a flood of STP BPDU frames, causing a denial of service (traffic storm). Affected product is Cisco IOS 12.2 bef...

vlan_security.txt

Subject: Re: VLAN Security To: [email protected] -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, You're right this is definitively a problem. However I don't think it is related to the 802.1Q specification. Any non-trunk port should discard 802.1Q frames because non-trunk ports are just...