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CVE-2023-50224

TP-Link TL-WR841N dropbearpwd Improper Authentication Information Disclosure Vulnerability

CVSS 3.1 Medium 6.5Known exploited (CISA KEV)

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

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.

Official description from the CVE record, published by zdi. Copyright © 1999-2026 The MITRE Corporation. See /security/cve/legal for the CVE license. View the record on cve.org

Key data

CVSS 3.1 Medium 6.5

Score published by zdi in the CVE record.

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

  • Attack vector: Adjacent

    The attacker needs to be on the same shared network segment or a closely related one.

  • Attack complexity: Low

    No special conditions are needed. The attack can be repeated at will.

  • Privileges required: None

    No account or privileges are needed.

  • User interaction: None

    No action from any user is needed.

  • Scope: Unchanged

    The impact stays within the vulnerable component.

  • Confidentiality impact: High

    Serious or total effect on the secrecy of data.

  • Integrity impact: None

    No effect on the trustworthiness of data.

  • Availability impact: None

    No effect on availability.

CVSS is owned and managed by FIRST.Org, Inc. (FIRST) and is used by permission. Each CVSS score on this site is shown together with its vector string, as published in the CVE record by the source named next to it. Learn more at first.org/cvss.

EPSS

Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days.
Score
0.20021 (20.0% probability)
Percentile
97.5%
Scores of
Nov 10, 2026
Model
v2026.06.15

CISA Known Exploited Vulnerabilities

This CVE is listed in the CISA KEV catalog.
Name in the catalog
TP-Link TL-WR841N Authentication Bypass by Spoofing Vulnerability
Added to the catalog
Sep 3, 2025
Federal due date
Sep 24, 2025

CISA assessment as of Sep 3, 2025

Stakeholder-Specific Vulnerability Categorization (SSVC) decision points added by CISA.
Exploitation
Recorded by CISA as active
Automatable
no
Technical impact
partial

Weakness (CWE)

CWE catalog version 5.0.
CWE names: Copyright © 2006-2026, The MITRE Corporation. See /security/cve/legal for the CWE license.
  • CWE-290Authentication Bypass by Spoofing

Affected products

Products listed in the CVE record, as the CNA published them.

  • TP-Link TL-WR841N

    • affected: 3.16.9 build 200409
    • affected: V8
    • affected: V9
    • affected: V10
    • affected: V11
    • unaffected: V11_211209
    • affected: V12
    • unaffected: V12_230317

  • TP-Link TL-WR841ND

    • affected: V8
    • affected: V9
    • affected: V10
    • affected: V11
    • unaffected: V11_211209
    • affected: V12
    • unaffected: V12_230317

  • TP-Link TL-MR6400

    • affected: V1
    • affected: V2

  • TP-Link Archer C5

    • affected: V2

  • TP-Link Archer C7

    • affected: V2
    • unaffected: V2_241108
    • affected: V3

  • TP-Link TL-WDR3600

    • affected: V2

  • TP-Link TL-WDR4300

    • affected: V1

  • TP-Link TL-WDR3500

    • affected: V2

  • TP-Link TL-WR740N

    • affected: V4
    • affected: V5
    • affected: V6
    • affected: V7

  • TP-Link TL-WR741ND

    • affected: V4
    • affected: V5
    • affected: V6

  • TP-Link TL-WR749N

    • affected: BR 6.0
    • affected: BR 7.0

  • TP-Link TL-MR3420

    • affected: V2
    • affected: V3
    • affected: V4

  • TP-Link TL-WR1043ND

    • affected: V2
    • affected: V3
    • affected: V4

  • TP-Link TL-WR1045ND

    • affected: RU V2

  • TP-Link TL-WR840N

    • affected: V2
    • affected: V3

  • TP-Link TL-WR842N

    • affected: V2
    • affected: V3
    • affected: V4

  • TP-Link TL-WR842ND

    • affected: V2
    • affected: V3
    • affected: V4

  • TP-Link TL-WR845N

    • affected: V1
    • affected: V2

  • TP-Link TL-WR941ND

    • affected: V5
    • affected: V6
    • unaffected: V6_220610

  • TP-Link TL-WR945N

    • affected: V1

  • TP-Link TL-WA801ND

    • affected: V3
    • affected: V4

  • TP-Link TL-WA901ND

    • affected: V3
    • affected: V4
    • unaffected: V4_201030
    • affected: V5
    • unaffected: V5_201030

References

Links listed in the CVE record. They lead to other sites, which CubePath does not control.

Timeline

  1. ID reserved
  2. Record published
  3. Added to CISA KEV
  4. Record last updated

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Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:15 UTC. Sources and licenses