CVE-2021-44632

  1. Reconshell
  2. Vulnerabilities (CVE)
  3. CVE-2021-44632
A Buffer Overflow vulnerability exists in TP-LINK WR-886N 20190826 2.3.8 in the /cloud_config/router_post/upgrade_info feature, which allows malicious users to execute arbitrary code on the system via a crafted post request.

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

10.0 /10

CVSS v2.0 : HIGH

V2 Legend

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

Exploitability : 10.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References
Link Resource
https://github.com/Yu3H0/IoT_CVE/tree/main/886N/upgradeInfoRegister Exploit Third Party Advisory
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Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:tp-link:tl-wr886n_firmware:20190826_2.3.8:*:*:*:*:*:*:*
cpe:2.3:h:tp-link:tl-wr886n:-:*:*:*:*:*:*:*
Information

Published : 2022-03-10 09:44

Updated : 2022-03-11 20:23

NVD link : CVE-2021-44632

Mitre link : CVE-2021-44632

JSON object : View

CWE
CWE-120

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

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Products Affected

tp-link

  • tl-wr886n_firmware
  • tl-wr886n