Home/CVE/TP-Link TL-WR841N Authentication Bypass by Spoofing Vulnerability
CVE

CVE-2023-50224

TP-Link TL-WR841N Authentication Bypass by Spoofing Vulnerability

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.

MEDIUM · CVSS 6.5 ⚠ CISA KEV EPSS 0.01495
Act now
  • Listed on CISA KEV (known exploited in the wild)
  • SSVC exploitation status: active
Sigma rules0 YARA rules0
⬢

Required Remediation

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

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Weakness Classification

CWE-290Authentication Bypass by Spoofing
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Affected Products & Versions

1
tp-link tl-wr841n firmwareall versions
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Scoring & Timeline

6.5
MEDIUM · CVSS v3.0 · zdi-disclosures@trendmicro.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD03 May 2024 · 03:16 AM
CVSS VectorCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
active
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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Vendor Advisories

1
cisaKEV-CVE-2023-50224
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.tp-link.com/en/support/download/tl-wr841n/v12/#FirmwareProduct
https://www.zerodayinitiative.com/advisories/ZDI-23-1808/Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-50224US Government Resource
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