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TP-Link TL-WR841N dropbearpwd Improper Authentication Information Disclosure Vulnerability. This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of TP-Link TL-WR841N 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 improper authentication. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise.
. Was ZDI-CAN-19899.
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TP-Link TL-WR841N Authentication Bypass by Spoofing Vulnerability
09/03/2025
09/24/2025
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CVE CISA KEV Update by Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government9/03/2025 9:00:02 PM
Action
Type
Old Value
New Value
Added
Date Added
2025-09-03
Added
Due Date
2025-09-24
Added
Required Action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Added
Vulnerability Name
TP-Link TL-WR841N Authentication Bypass by Spoofing Vulnerability
Initial Analysis by NIST8/07/2025 11:57:38 AM
Action
Type
Old Value
New Value
Added
CPE Configuration
AND
OR
*cpe:2.3:o:tp-link:tl-wr841n_firmware:3.16.9:build_200409:*:*:*:*:*:*
OR
cpe:2.3:h:tp-link:tl-wr841n:12:*:*:*:*:*:*:*
CVE Modified by Zero Day Initiative9/18/2024 3:15:38 PM
Action
Type
Old Value
New Value
Changed
Description
TP-Link TL-WR841N dropbearpwd Improper Authentication Information Disclosure Vulnerability. This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of TP-Link TL-WR841N 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 improper authentication. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise. Was ZDI-CAN-19899.
TP-Link TL-WR841N dropbearpwd Improper Authentication Information Disclosure Vulnerability. This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of TP-Link TL-WR841N 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 improper authentication. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise.
. Was ZDI-CAN-19899.
CVE Modified by Zero Day Initiative5/14/2024 10:15:13 AM
Action
Type
Old Value
New Value
New CVE Received from Zero Day Initiative5/02/2024 11:16:10 PM
Action
Type
Old Value
New Value
Added
Description
TP-Link TL-WR841N dropbearpwd Improper Authentication Information Disclosure Vulnerability. This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of TP-Link TL-WR841N 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 improper authentication. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise. Was ZDI-CAN-19899.
Added
CVSS V3
Zero Day Initiative AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Added
CWE
Zero Day Initiative CWE-290
Added
Reference
Zero Day Initiative https://www.tp-link.com/en/support/download/tl-wr841n/v12/#Firmware [No types assigned]
Added
Reference
Zero Day Initiative https://www.zerodayinitiative.com/advisories/ZDI-23-1808/ [No types assigned]
Quick Info
CVE Dictionary Entry: CVE-2023-50224 NVD
Published Date: 05/02/2024 NVD
Last Modified: 09/03/2025
Source: Zero Day Initiative