CVEs / CVE-2023-50224
CVE-2023-50224: TP-Link TL-WR841N Authentication Bypass by Spoofing Vulnerability
- Known exploited in the CISA KEV catalog since 3 Sep 2025
- medium 6.5 CVSS 3.1 (from the CNA)
- EPSS 20% chance of exploitation in the next 30 days, higher than 97% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
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
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.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| TP-Link TL-WR841N | 3.16.9 build 200409 | — |
| TP-Link TL-WR841N | V8 | — |
| TP-Link TL-WR841N | V9 | — |
| TP-Link TL-WR841N | V10 | — |
| TP-Link TL-WR841N | V11 | — |
| TP-Link TL-WR841N | V12 | — |
| TP-Link TL-WR841ND | V8 | — |
| TP-Link TL-WR841ND | V9 | — |
| TP-Link TL-WR841ND | V10 | — |
| TP-Link TL-WR841ND | V11 | — |
| TP-Link TL-WR841ND | V12 | — |
| TP-Link TL-MR6400 | V1 | — |
| TP-Link TL-MR6400 | V2 | — |
| TP-Link Archer C5 | V2 | — |
| TP-Link Archer C7 | V2 | — |
| TP-Link Archer C7 | V3 | — |
| TP-Link TL-WDR3600 | V2 | — |
| TP-Link TL-WDR4300 | V1 | — |
| TP-Link TL-WDR3500 | V2 | — |
| TP-Link TL-WR740N | V4 | — |
| TP-Link TL-WR740N | V5 | — |
| TP-Link TL-WR740N | V6 | — |
| TP-Link TL-WR740N | V7 | — |
| TP-Link TL-WR741ND | V4 | — |
| TP-Link TL-WR741ND | V5 | — |
| TP-Link TL-WR741ND | V6 | — |
| TP-Link TL-WR749N | BR 6.0 | — |
| TP-Link TL-WR749N | BR 7.0 | — |
| TP-Link TL-MR3420 | V2 | — |
| TP-Link TL-MR3420 | V3 | — |
Exploitation
| In CISA KEV since | 3 Sep 2025 |
|---|---|
| Due date for US federal agencies | 24 Sep 2025 |
| Used in ransomware campaigns | Unknown |
| 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. |
Severity
| CVSS 3.1 | 6.5 mediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NScored by the CNA ([email protected]) |
|---|---|
| Weakness | CWE-290 |
References
- CVE-2023-50224 on NVD
- CVE-2023-50224 in the CISA KEV catalog
- https://www.tp-link.com/us/support/faq/4308/ (cited by CISA)
- https://www.tp-link.com/en/support/download/tl-wr841n/v12/#Firmware Product
- https://www.tp-link.com/us/support/faq/5058/ Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-23-1808/ Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-50224 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.