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.
Conclusion & alert: CVE-2023-50224 is rated Critical Active Threat (89.9/100): CVSS Medium severity, with high exploitation likelihood (EPSS 17.45%, 97th percentile). Core evidence: CISA KEV confirms active exploitation (added 2025-09-03) affecting TP-Link / TL-WR841N. a weakness (CWE-290) Unauthenticated remote administrative access may be possible. EPSS rose +15.99% over the last day, indicating growing attacker interest. Mandatory action: The CISA remediation deadline has passed—treat as an emergency patch priority.
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: TP-Link TL-WR841N Authentication Bypass by Spoofing Vulnerability · CISA KEV detail
: 2025-09-03
: 2025-09-24
: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 1.46% | 17.45% | +15.99% |
| 2 | 2026-04-05 | 1.69% | 1.46% | -0.24% |
| 3 | 2026-03-20 | — | 1.69% | — |
Full EPSS history (20 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 3.0 | MEDIUM |
|
2.8 | 3.6 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| tp-link | tl-wr841n_firmware | 3.16.9 | cpe:2.3:o:tp-link:tl-wr841n_firmware:3.16.9:build_200409:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://www.tp-link.com/en/support/download/tl-wr841n/v12/#Firmware | Product |
| 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 |