CVE-2021-23270

Summary (CVE-2021-23270): Gargoyle OS 1.12.0 exposes a routing-loop condition when using IPv6, causing excessive traffic between the device and its upstream ISP’s router. The issue occurs if a link-prefix route points to a point-to-point link, a destination IPv6 address belongs to that prefix but...

Michael gargoyle 安全漏洞

Gargoyle OS is a Web management interface for small router devices. A security vulnerability exists in Gargoyle OS version 1.12.0 that stems from a routing loop that generates excessive network traffic between an affected device and the routers of its upstream ISP when IPv6 is used. No details of...

ASUS RT-AX3000 安全漏洞

ASUS RT-AX3000 and others are products of Asus China.ASUS RT-AX3000 is a router.ASUS ZenWiFi AX is a WIFI system.ASUS RT-AX88U is a wireless router. A security vulnerability exists in multiple ASUS routers that stems from a routing loop that can occur when using IPv6, which generates excessive...

TP-Link TL-XDR 安全漏洞

The TP-Link TL-XDR is a series of routers from China's P&L TP-Link. A security vulnerability exists in multiple TP-Link routers that stems from a routing loop that occurs when using IPv6, resulting in excessive network traffic between the affected device and the upstream ISP's router. No detailed...

CVE-2021-22161

In OpenWrt 19.07.x before 19.07.7, when IPv6 is used, a routing loop can occur that generates excessive network traffic between an affected device and its upstream ISP's router. This occurs when a link prefix route points to a point-to-point link, a destination IPv6 address belongs to the prefix...

CVE-2021-22161

In OpenWrt 19.07.x before 19.07.7, when IPv6 is used, a routing loop can occur that generates excessive network traffic between an affected device and its upstream ISP's router. This occurs when a link prefix route points to a point-to-point link, a destination IPv6 address belongs to the prefix...

Design/Logic Flaw

In OpenWrt 19.07.x before 19.07.7, when IPv6 is used, a routing loop can occur that generates excessive network traffic between an affected device and its upstream ISP's router. This occurs when a link prefix route points to a point-to-point link, a destination IPv6 address belongs to the prefix...

CVE-2021-22161

CVE-2021-22161 affects OpenWrt 19.07.x prior to 19.07.7. When IPv6 is enabled, a routing loop can occur because a router advertisement with a global unique prefix and the on-link flag causes a point-to-point link’s prefix route to misroute traffic back to the upstream router, generating excessive...

CVE-2021-22161

In OpenWrt 19.07.x before 19.07.7, when IPv6 is used, a routing loop can occur that generates excessive network traffic between an affected device and its upstream ISP's router. This occurs when a link prefix route points to a point-to-point link, a destination IPv6 address belongs to the prefix...

PT-2021-14880 · Odhcp6C +2 · Odhcp6C +2

Name of the Vulnerable Software and Affected Versions: OpenWrt versions 19.07.x through 19.07.6 Description: A routing loop can occur when IPv6 is used, generating excessive network traffic between an affected device and its upstream ISP's router. This happens when a link prefix route points to a...

OpenWrt Security Vulnerabilities

OpenWrt is a Linux operating system for embedded devices. A security vulnerability exists in OpenWrt 19.07.x before 19.07.7, which stems from the fact that when IPv6 is used, a routing loop may be created that generates excessive network traffic between an affected device and the router of its...

Security Advisory 2021-02-02-1 - netifd and odhcp6c routing loop on IPv6 point to point links (CVE-2021-22161)

DESCRIPTION In case a link prefix route points to a point-to-point link it can trigger a routing loop if the destination IPv6 address belongs to the prefix and is not a local IPv6 address. If such a packet is received and not directed to a local IPv6 address it will be routed back to the...