CVEvulnerability
CVE-2021-3125
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-04-12
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-834
Description
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.
Affected configurations
• tp-link tl-xdr3230 firmware (< 1.0.12)
• tp-link tl-xdr5430 firmware (< 1.0.11)
• tp-link tl-xdr3250 firmware (< 1.0.2)
• tp-link tl-xdr1860 firmware (< 1.0.14)
• tp-link tl-xdr1850 firmware (< 1.0.9)
• tp-link tl-xdr6060 firmware (< 1.1.8)
Related
Weakness · CWE (1)
- CWE-834 Excessive Iteration weakness
References
- https://service.tp-link.com.cn/detail_download_8719.html Vendor Advisory
- https://service.tp-link.com.cn/detail_download_8720.html Vendor Advisory
- https://service.tp-link.com.cn/detail_download_8722.html Vendor Advisory
- https://service.tp-link.com.cn/detail_download_8723.html Vendor Advisory
- https://service.tp-link.com.cn/detail_download_8724.html Vendor Advisory
- https://service.tp-link.com.cn/detail_download_8725.html Vendor Advisory
- https://service.tp-link.com.cn/detail_download_8719.html Vendor Advisory
- https://service.tp-link.com.cn/detail_download_8720.html Vendor Advisory
- https://service.tp-link.com.cn/detail_download_8722.html Vendor Advisory
- https://service.tp-link.com.cn/detail_download_8723.html Vendor Advisory
- https://service.tp-link.com.cn/detail_download_8724.html Vendor Advisory
- https://service.tp-link.com.cn/detail_download_8725.html Vendor Advisory