CVE-2022-26639

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2022-26639
TP-LINK TL-WR840N(ES)_V6.20 was discovered to contain a buffer overflow via the DNSServers parameter.

7.2 /10

CVSS v3 : HIGH

V3 Legend

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

V2 Legend

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
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

05 Jun 2022, 03:22

Type Values Removed Values Added
CVSS v2 : 7.5
v3 : 9.8 		v2 : 6.5
v3 : 7.2

04 Apr 2022, 20:54

Type Values Removed Values Added
References (MISC) https://github.com/Quadron-Research-Lab/Hardware-IoT/blob/main/tp-link%20tl-wr840n_DNSServers%3D.pdf - (MISC) https://github.com/Quadron-Research-Lab/Hardware-IoT/blob/main/tp-link%20tl-wr840n_DNSServers%3D.pdf - Exploit, Third Party Advisory
CPE cpe:2.3:o:tp-link:tl-wr840n_firmware:0.9.1.4.16:*:*:*:*:*:*:*
cpe:2.3:h:tp-link:tl-wr840n:6.20:*:*:*:*:*:*:*
CWE CWE-120
CVSS v2 : unknown
v3 : unknown 		v2 : 7.5
v3 : 9.8

28 Mar 2022, 23:15

Type Values Removed Values Added
New CVE
Information

Published : 2022-03-28 23:15

Updated : 2024-02-04 22:29

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')