High severity · published Feb 25, 2022
CVE-2022-25062
TP-LINK TL-WR840N(ES)_V6.20_180709 was discovered to contain an integer overflow via the function dm_checkString
7.5
CVSS
3.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.5% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TF
Tl-wr840n Firmware · Tp-link
6.20_180709 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-25062
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-25062
Third Party Advisory
https://east-trowel-102.notion.site/CVE-2021-XXXX-RCE-Integer-Overflow-via-crafted-payload-in-an-DNS-input-field-userDomain-EN-2bc0fafd23224a5a8f86f5f0f9377d3d
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