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

Summary

CVECVE-2023-50224
StatePUBLISHED
Assignerzdi
Source PriorityCVE Program / NVD first with legacy fallback
Published2024-05-03 03:16:10 UTC
Updated2026-09-03 17:28:42 UTC
DescriptionTP-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.

Risk And Classification

Primary CVSS: v3.1 6.5 MEDIUM from [email protected]

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

EPSS: 0.155580000 probability, percentile 0.966170000 (date 2026-09-10)

CISA KEV: Listed on 2025-09-03; due 2025-09-24; ransomware use Unknown

Problem Types: CWE-290 | CWE-290 CWE-290: Authentication Bypass by Spoofing


VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary6.5MEDIUMCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.1CNACVSS6.5MEDIUMCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

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

CISA Known Exploited Vulnerability

VendorTP-Link
ProductTL-WR841N
NameTP-Link TL-WR841N Authentication Bypass by Spoofing Vulnerability
Required ActionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Noteshttps://www.tp-link.com/us/support/faq/4308/ ; https://nvd.nist.gov/vuln/detail/CVE-2023-50224

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Tp-link Tl-wr841n 10 All All All
Hardware Tp-link Tl-wr841n 11 All All All
Hardware Tp-link Tl-wr841n 8.0 All All All
Hardware Tp-link Tl-wr841n 9 All All All
Operating System Tp-link Tl-wr841n Firmware All All All All
Operating System Tp-link Tl-wr841n Firmware - All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA TP-Link TL-WR841N affected 3.16.9 build 200409 custom Not specified
CNA TP-Link TL-WR841N affected V8 custom Not specified
CNA TP-Link TL-WR841N affected V9 custom Not specified
CNA TP-Link TL-WR841N affected V10 custom Not specified
CNA TP-Link TL-WR841N affected V11 custom Not specified
CNA TP-Link TL-WR841N unaffected V11_211209 custom Not specified
CNA TP-Link TL-WR841N affected V12 custom Not specified
CNA TP-Link TL-WR841N unaffected V12_230317 custom Not specified
CNA TP-Link TL-WR841ND affected V8 custom Not specified
CNA TP-Link TL-WR841ND affected V9 custom Not specified
CNA TP-Link TL-WR841ND affected V10 custom Not specified
CNA TP-Link TL-WR841ND affected V11 custom Not specified
CNA TP-Link TL-WR841ND unaffected V11_211209 custom Not specified
CNA TP-Link TL-WR841ND affected V12 custom Not specified
CNA TP-Link TL-WR841ND unaffected V12_230317 custom Not specified
CNA TP-Link TL-MR6400 affected V1 custom Not specified
CNA TP-Link TL-MR6400 affected V2 custom Not specified
CNA TP-Link Archer C5 affected V2 custom Not specified
CNA TP-Link Archer C7 affected V2 custom Not specified
CNA TP-Link Archer C7 unaffected V2_241108 custom Not specified
CNA TP-Link Archer C7 affected V3 custom Not specified
CNA TP-Link TL-WDR3600 affected V2 custom Not specified
CNA TP-Link TL-WDR4300 affected V1 custom Not specified
CNA TP-Link TL-WDR3500 affected V2 custom Not specified
CNA TP-Link TL-WR740N affected V4 custom Not specified
CNA TP-Link TL-WR740N affected V5 custom Not specified
CNA TP-Link TL-WR740N affected V6 custom Not specified
CNA TP-Link TL-WR740N affected V7 custom Not specified
CNA TP-Link TL-WR741ND affected V4 custom Not specified
CNA TP-Link TL-WR741ND affected V5 custom Not specified
CNA TP-Link TL-WR741ND affected V6 custom Not specified
CNA TP-Link TL-WR749N affected BR 6.0 custom Not specified
CNA TP-Link TL-WR749N affected BR 7.0 custom Not specified
CNA TP-Link TL-MR3420 affected V2 custom Not specified
CNA TP-Link TL-MR3420 affected V3 custom Not specified
CNA TP-Link TL-MR3420 affected V4 custom Not specified
CNA TP-Link TL-WR1043ND affected V2 custom Not specified
CNA TP-Link TL-WR1043ND affected V3 custom Not specified
CNA TP-Link TL-WR1043ND affected V4 custom Not specified
CNA TP-Link TL-WR1045ND affected RU V2 custom Not specified
CNA TP-Link TL-WR840N affected V2 custom Not specified
CNA TP-Link TL-WR840N affected V3 custom Not specified
CNA TP-Link TL-WR842N affected V2 custom Not specified
CNA TP-Link TL-WR842N affected V3 custom Not specified
CNA TP-Link TL-WR842N affected V4 custom Not specified
CNA TP-Link TL-WR842ND affected V2 custom Not specified
CNA TP-Link TL-WR842ND affected V3 custom Not specified
CNA TP-Link TL-WR842ND affected V4 custom Not specified
CNA TP-Link TL-WR845N affected V1 custom Not specified
CNA TP-Link TL-WR845N affected V2 custom Not specified
CNA TP-Link TL-WR941ND affected V5 custom Not specified
CNA TP-Link TL-WR941ND affected V6 custom Not specified
CNA TP-Link TL-WR941ND unaffected V6_220610 custom Not specified
CNA TP-Link TL-WR945N affected V1 custom Not specified
CNA TP-Link TL-WA801ND affected V3 custom Not specified
CNA TP-Link TL-WA801ND affected V4 custom Not specified
CNA TP-Link TL-WA901ND affected V3 custom Not specified
CNA TP-Link TL-WA901ND affected V4 custom Not specified
CNA TP-Link TL-WA901ND unaffected V4_201030 custom Not specified
CNA TP-Link TL-WA901ND affected V5 custom Not specified
CNA TP-Link TL-WA901ND unaffected V5_201030 custom Not specified
ADP Tp-link Tl-wr841n Firmware affected 12.0 custom Not specified

References

ReferenceSourceLinkTags
www.zerodayinitiative.com/advisories/ZDI-23-1808 af854a3a-2127-422b-91ae-364da2661108 www.zerodayinitiative.com Third Party Advisory
www.cisa.gov/known-exploited-vulnerabilities-catalog 134c704f-9b21-4f2e-91b3-4a467353bcc0 www.cisa.gov US Government Resource
www.tp-link.com/en/support/download/tl-wr841n/v12 af854a3a-2127-422b-91ae-364da2661108 www.tp-link.com Product
www.tp-link.com/us/support/faq/5058 [email protected] www.tp-link.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
CISA Known Exploited Vulnerabilities catalog CISA www.cisa.gov kev

Additional Advisory Data

SourceTimeEvent
ADP2025-09-03T00:00:00.000ZCVE-2023-50224 added to CISA KEV

© CVE.report 2026

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report