CVE-2021-3125
TP-Link IPv6 Routing Loop Vulnerability
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.
INFO
Published Date :
April 12, 2021, 7:15 p.m.
Last Modified :
April 21, 2021, 4:09 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2021-3125
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-3125.
| URL | Resource |
|---|---|
| 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 |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-3125 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-3125 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Apr. 21, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://service.tp-link.com.cn/detail_download_8719.html No Types Assigned https://service.tp-link.com.cn/detail_download_8719.html Vendor Advisory Changed Reference Type https://service.tp-link.com.cn/detail_download_8720.html No Types Assigned https://service.tp-link.com.cn/detail_download_8720.html Vendor Advisory Changed Reference Type https://service.tp-link.com.cn/detail_download_8722.html No Types Assigned https://service.tp-link.com.cn/detail_download_8722.html Vendor Advisory Changed Reference Type https://service.tp-link.com.cn/detail_download_8723.html No Types Assigned https://service.tp-link.com.cn/detail_download_8723.html Vendor Advisory Changed Reference Type https://service.tp-link.com.cn/detail_download_8724.html No Types Assigned https://service.tp-link.com.cn/detail_download_8724.html Vendor Advisory Changed Reference Type https://service.tp-link.com.cn/detail_download_8725.html No Types Assigned https://service.tp-link.com.cn/detail_download_8725.html Vendor Advisory Added CWE NIST CWE-834 Added CPE Configuration AND OR *cpe:2.3:o:tp-link:tl-xdr3230_firmware:*:*:*:*:*:easy_exhibition_turbo:*:* versions up to (excluding) 1.0.12 OR cpe:2.3:h:tp-link:tl-xdr3230:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:tp-link:tl-xdr5430_firmware:*:*:*:*:*:easy_exhibition:*:* versions up to (excluding) 1.0.11 OR cpe:2.3:h:tp-link:tl-xdr5430:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:tp-link:tl-xdr3250_firmware:*:*:*:*:*:easy_exhibition:*:* versions up to (excluding) 1.0.2 OR cpe:2.3:h:tp-link:tl-xdr3250:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:tp-link:tl-xdr1860_firmware:*:*:*:*:*:easy_exhibition:*:* versions up to (excluding) 1.0.14 OR cpe:2.3:h:tp-link:tl-xdr1860:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:tp-link:tl-xdr1850_firmware:*:*:*:*:*:easy_exhibition:*:* versions up to (excluding) 1.0.9 OR cpe:2.3:h:tp-link:tl-xdr1850:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:tp-link:tl-xdr6060_firmware:*:*:*:*:*:easy_exhibition:*:* versions up to (excluding) 1.1.8 OR cpe:2.3:h:tp-link:tl-xdr6060:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Apr. 12, 2021
Action Type Old Value New Value Changed 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. This affects the netifd and odhcp6c packages. 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.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-3125 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-3125
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.62 }} 0.08%
score
0.76440
percentile