CVE-2021-31659

Name: CVE-2021-31659
Creator: NVD / NIST
Published: 2021-06-10T15:15:09.457+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.58%

Last modified Jun 17, 2026

CVE-2021-31659 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. TP-Link TL-SG2005, TL-SG2008, etc. 1.0.0 Build 20180529 Rel.40524 is vulnerable to Cross Site Request Forgery (CSRF). EPSS estimates a 0.58% chance of exploitation in the next 30 days.

Description

TP-Link TL-SG2005, TL-SG2008, etc. 1.0.0 Build 20180529 Rel.40524 is vulnerable to Cross Site Request Forgery (CSRF). All configuration information is placed in the URL, without any additional token authentication information. A malicious link opened by the switch administrator may cause the password of the switch to be modified and the configuration file to be tampered with.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

0.58%

43.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-352

Affected Software

Vendor	Product	Versions	Update
Tp-Link	Tl-Sg2005 Firmware	1.0.0	Build 20180529 Rel.40524
Tp-Link	Tl-Sg2008 Firmware	1.0.0	Build 20180529 Rel.40524

References

http://tp-link.comVendor Advisory
https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-31659Exploit, Third Party Advisory
http://tp-link.comVendor Advisory
https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-31659Exploit, Third Party Advisory

Timeline

Published: Jun 10, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-31659?

How severe is CVE-2021-31659?

CVE-2021-31659 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.58% probability of exploitation in the next 30 days.

How do I fix CVE-2021-31659?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-31659?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST