Vulnerabilities > CVE-2021-3125 - Excessive Iteration vulnerability in Tp-Link products
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
In TP-Link TL-XDR3230 < 1.0.12, TL-XDR1850 < 1.0.9, TL-XDR1860 < 1.0.14, TL-XDR3250 < 1.0.2, TL-XDR6060 Turbo < 1.1.8, TL-XDR5430 < 1.0.11, and possibly others, 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 and is not a local IPv6 address, and a router advertisement is received with at least one global unique IPv6 prefix for which the on-link flag is set.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| OS | 6 | |
| Hardware | 6 |
Common Weakness Enumeration (CWE)
References
- https://service.tp-link.com.cn/detail_download_8724.html
- https://service.tp-link.com.cn/detail_download_8722.html
- https://service.tp-link.com.cn/detail_download_8725.html
- https://service.tp-link.com.cn/detail_download_8720.html
- https://service.tp-link.com.cn/detail_download_8723.html
- https://service.tp-link.com.cn/detail_download_8719.html