CVE-2022-26639

TP-LINK TL-WR840N(ES)_V6.20 was discovered to contain a buffer overflow via the DNSServers parameter.

CVSS v3 7.2 HIGH
CVSS v2.0 6.5 MEDIUM

7.2^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/Quadron-Research-Lab/Hardware-IoT/blob/main/tp-link%20tl-wr840n_DNSServers%3D.pdf	Exploit Third Party Advisory
https://github.com/Quadron-Research-Lab/Hardware-IoT/blob/main/tp-link%20tl-wr840n_DNSServers%3D.pdf	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:tp-link:tl-wr840n_firmware:0.9.1.4.16:*:*:*:*:*:*:*

cpe:2.3:h:tp-link:tl-wr840n:6.20:*:*:*:*:*:*:*

History

21 Nov 2024, 06:54

Type	Values Removed	Values Added
References	~~() https://github.com/Quadron-Research-Lab/Hardware-IoT/blob/main/tp-link%20tl-wr840n_DNSServers%3D.pdf - Exploit, Third Party Advisory~~	() https://github.com/Quadron-Research-Lab/Hardware-IoT/blob/main/tp-link%20tl-wr840n_DNSServers%3D.pdf - Exploit, Third Party Advisory

Information

Published : 2022-03-28 23:15

Updated : 2024-11-21 06:54

NVD link : CVE-2022-26639

Mitre link : CVE-2022-26639

CVE.ORG link : CVE-2022-26639

JSON object : View

Products Affected

tp-link

tl-wr840n_firmware
tl-wr840n

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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