CVE-2022-25062

Name: CVE-2022-25062
Creator: NVD / NIST
Published: 2022-02-25T20:15:08.603+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 4.50%

Last modified Jun 17, 2026

CVE-2022-25062 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. TP-LINK TL-WR840N(ES)_V6.20_180709 was discovered to contain an integer overflow via the function dm_checkString. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted HTTP request.. EPSS estimates a 4.50% chance of exploitation in the next 30 days.

Description

TP-LINK TL-WR840N(ES)_V6.20_180709 was discovered to contain an integer overflow via the function dm_checkString. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted HTTP request.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

4.50%

90.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-190

Affected Software

Vendor	Product	Versions
Tp-Link	Tl-Wr840n Firmware	6.20_180709

References

http://router.comNot Applicable, URL Repurposed
http://tp-link.comProduct
https://east-trowel-102.notion.site/CVE-2021-XXXX-RCE-Integer-Overflow-via-crafted-payload-in-an-DNS-input-field-userDomain-EN-2bc0fafd23224a5a8f86f5f0f9377d3dThird Party Advisory
http://router.comNot Applicable, URL Repurposed
http://tp-link.comProduct
https://east-trowel-102.notion.site/CVE-2021-XXXX-RCE-Integer-Overflow-via-crafted-payload-in-an-DNS-input-field-userDomain-EN-2bc0fafd23224a5a8f86f5f0f9377d3dThird Party Advisory

Timeline

Published: Feb 25, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-25062?

How severe is CVE-2022-25062?

CVE-2022-25062 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 4.50% probability of exploitation in the next 30 days.

How do I fix CVE-2022-25062?

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-2022-25062?

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

Scan your code now

Source: NVD / NIST