CVE-2026-7473---Arista-EOS-Tunnel-Decapsulation-Bypass

CVE-2026-7473 - Arista EOS 隧道解封装绕过漏洞 ⚠️ 警告 此代码仅用于教育目的和授权的安全测试。 📋 描述 CVE-2026-7473 是 Arista EOS 中的一个漏洞，当交换机被配置为隧道端点（VXLAN、GRE、decap-groups）时，会错误地解封装并转发 目的IP与已配置的解封装IP匹配的意外隧道数据包。这是因为交换机未验证隧道的协议类型 （CWE-1023）。 技术细节 字段| 值 ---|--- CVE| CVE-2026-7473 CVSS v3.1| 5.8（中危） CVSS v4.0| 6.8 向量|...

Ubuntu 14.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS : GDAL vulnerabilities (USN-8812-1)

The remote Ubuntu 14.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8812-1 advisory. It was discovered that GDAL incorrectly handled certain netCDF files. An attacker could...

USN-8812-1 gdal vulnerabilities

It was discovered that GDAL incorrectly handled certain netCDF files. An attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 26.04 LTS. CVE-2026-49014 It was discovered that GDAL incorrectly handled certain...

USN-8812-1: GDAL vulnerabilities

It was discovered that GDAL incorrectly handled certain netCDF files. An attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 26.04 LTS. CVE-2026-49014 It was discovered that GDAL incorrectly handled certain...

CVE-2026-73457

Under certain circumstances on affected platforms running Arista EOS with gRPC Network Packet Sampling Interface gNPSI enabled, the gNPSI client credentials might be logged in clear text in local or remote accounting logs to authenticated users...

CVE-2026-73462

On affected platforms running Arista EOS with IGMP Internet Group Management Protocol snooping configured enabled by default on all VLANs, a network-adjacent unauthenticated attacker can send malformed network packets on an affected VLAN to cause the IGMP snooping agent to terminate unexpectedly...

CVE-2026-73456

Under certain circumstances on affected platforms running Arista EOS with gRPC Network Packet Sampling Interface gNPSI enabled, an unauthenticated gNPSI client can craft a malicious request to allow arbitrary code execution, granting an attacker full administrative control over the compromised...

CVE-2026-73442

On affected platforms running Arista EOS with VRRP enabled, the peer device VRRP authentication credentials are logged in cleartext on the switch, allowing an authenticated user with sufficient privileges to view agent trace logs or a system receiving forwarded log output to obtain the peer devic...

CVE-2026-73443

On affected platforms running Arista EOS with VRRPv2 IP-AH authentication configured, an unauthenticated attacker within the same layer 2 network segment on which VRRP is running can capture a legitimate authenticated VRRP advertisement and replay it indefinitely. Replayed advertisements can be...

CVE-2026-73462 On affected platforms running Arista EOS with IGMP (Internet Group Management Protocol) snooping configured (enabled by default on all VLANs), a network-adjacent unauthenticated attacker can send malformed network packets on an affected VLAN to cause the I

On affected platforms running Arista EOS with IGMP Internet Group Management Protocol snooping configured enabled by default on all VLANs, a network-adjacent unauthenticated attacker can send malformed network packets on an affected VLAN to cause the IGMP snooping agent to terminate unexpectedly...

CVE-2026-73462 On affected platforms running Arista EOS with IGMP (Internet Group Management Protocol) snooping configured (enabled by default on all VLANs), a network-adjacent unauthenticated attacker can send malformed network packets on an affected VLAN to cause the I

On affected platforms running Arista EOS with IGMP Internet Group Management Protocol snooping configured enabled by default on all VLANs, a network-adjacent unauthenticated attacker can send malformed network packets on an affected VLAN to cause the IGMP snooping agent to terminate unexpectedly...

CVE-2026-73462

CVE-2026-73462 affects the IGMP snooping agent in Arista EOS . An adjacent, unauthenticated attacker can send malformed packets to trigger an out-of-bounds read (CWE-125) , crashing the agent and causing multicast traffic to flood all ports on the affected VLAN. Repeated exploitation may lead to ...

EUVD-2026-81010

On affected platforms running Arista EOS with IGMP Internet Group Management Protocol snooping configured enabled by default on all VLANs, a network-adjacent unauthenticated attacker can send malformed network packets on an affected VLAN to cause the IGMP snooping agent to terminate unexpectedly...

EUVD-2026-81008

Under certain circumstances on affected platforms running Arista EOS with gRPC Network Packet Sampling Interface gNPSI enabled, the gNPSI client credentials might be logged in clear text in local or remote accounting logs to authenticated users...

CVE-2026-73457 Under certain circumstances, the gNPSI client credentials might be logged in clear text, in local or remote accounting logs to authenticated users.

Under certain circumstances on affected platforms running Arista EOS with gRPC Network Packet Sampling Interface gNPSI enabled, the gNPSI client credentials might be logged in clear text in local or remote accounting logs to authenticated users...

CVE-2026-73457

CVE-2026-73457 affects Arista EOS platforms with the gRPC Network Packet Sampling Interface (gNPSI) enabled. When the EosRpcAuth trace facility is explicitly activated on the Gnpsi agent, client credentials (username and password) are written in clear text to local or remote accounting logs, acce...

CVE-2026-73457 Under certain circumstances, the gNPSI client credentials might be logged in clear text, in local or remote accounting logs to authenticated users.

Under certain circumstances on affected platforms running Arista EOS with gRPC Network Packet Sampling Interface gNPSI enabled, the gNPSI client credentials might be logged in clear text in local or remote accounting logs to authenticated users...

CVE-2026-73456

Arista EOS platforms with the gNPSI (gRPC Network Packet Sampling Interface) enabled are vulnerable to unauthenticated arbitrary code execution via crafted gNPSI requests (CWE-94, code injection), granting full administrative control of the switch. CVSS 3.1 score: 10.0 . Exploitation requires gNP...

CVE-2026-73456 Under certain circumstances, an unauthenticated gNPSI client can craft a malicious request to allow arbitrary code execution, granting an attacker full administrative control over the compromised switch.

Under certain circumstances on affected platforms running Arista EOS with gRPC Network Packet Sampling Interface gNPSI enabled, an unauthenticated gNPSI client can craft a malicious request to allow arbitrary code execution, granting an attacker full administrative control over the compromised...

EUVD-2026-81006

Under certain circumstances on affected platforms running Arista EOS with gRPC Network Packet Sampling Interface gNPSI enabled, an unauthenticated gNPSI client can craft a malicious request to allow arbitrary code execution, granting an attacker full administrative control over the compromised...