High severity · published Mar 28, 2022
CVE-2022-26640
TP-LINK TL-WR840N(ES)_V6.20 was discovered to contain a buffer overflow via the minAddress parameter
7.2
CVSS
1.3%
EPSS
No
On KEV
Description
TP-LINK TL-WR840N(ES)_V6.20 was discovered to contain a buffer overflow via the minAddress parameter.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 69% 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
0.9.1.4.16 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-26640
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-26640
Exploit
https://github.com/Quadron-Research-Lab/Hardware-IoT/blob/main/tp-link%20tl-wr840n_minAddress%3D.pdf
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