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CVE-2022-24972: ZDI-22-405

This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of TP-Link TL-WR940N 3.20.1 Build 200316 Rel.34392n (5553) routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the httpd service, which listens on TCP port 80 by default. The issue results from the lack of proper access control. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise. Was ZDI-CAN-13911.

CVE
#vulnerability#auth

February 22nd, 2022

TP-Link TL-WR940N httpd Improper Access Control Information Disclosure Vulnerability****ZDI-22-405
ZDI-CAN-13911

CVE ID

CVE-2022-24972

CVSS SCORE

6.5, (AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)

AFFECTED VENDORS

TP-Link

AFFECTED PRODUCTS

TL-WR940N

VULNERABILITY DETAILS

This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of TP-Link TL-WR940N routers. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the httpd service, which listens on TCP port 80 by default. The issue results from the lack of proper access control. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise.

ADDITIONAL DETAILS

Fixed in firmware 211111

DISCLOSURE TIMELINE

  • 2021-10-21 - Vulnerability reported to vendor
  • 2022-02-22 - Coordinated public release of advisory

CREDIT

Vadym Kolisnichenko

BACK TO ADVISORIES

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