6.5

CVE-2023-50224

Warning

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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Data is provided by the National Vulnerability Database (NVD)
Tp-link ≫ Tl-wr841n Firmware Version3.16.9 Updatebuild_200409
   Tp-link ≫ Tl-wr841n Version12

03.09.2025: CISA Known Exploited Vulnerabilities (KEV) Catalog

TP-Link TL-WR841N Authentication Bypass by Spoofing Vulnerability

Vulnerability

TP-Link TL-WR841N contains an authentication bypass by spoofing vulnerability within the httpd service, which listens on TCP port 80 by default, leading to the disclose of stored credentials. The impacted products could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization.

Description

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Required actions
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 5.58% 0.899
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
zdi-disclosures@trendmicro.com 6.5 2.8 3.6
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE-290 Authentication Bypass by Spoofing

This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.