CVE-2023-50224
MediumExploitedPublic exploitTP-Link TL-WR841N dropbearpwd Improper Authentication Information Disclosure Vulnerability.
Published May 3, 2024 · Updated Sep 3, 2026
Key Facts
Patch immediately- CVE-2023-50224 is a medium-severity vulnerability (CVSS 6.5 v3.1) affecting Archer C1900 Firmware (Tp-Link), Archer C5 Firmware (Tp-Link), Archer C7 Firmware (Tp-Link) and 22 more products.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Aug 29, 2025. Public exploit code is available.
- EPSS estimates a 20% probability of exploitation in the next 30 days.
- Fixed versions are available, including Archer C1900 Firmware 1_260428, Archer C5 Firmware 2_260429, Archer C7 Firmware 2_241108.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
6.5
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS (30-day exploit likelihood)
20%
Higher than 97.4% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2023-50224 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Sep 3, 2025 | Sep 24, 2025 | Not reported |
| Industry KEV feed | Aug 29, 2025 | Sep 24, 2025 | Not reported |
| CIRCL KEV | Sep 3, 2025 | Sep 24, 2025 | Not reported |
| ENISA EUVD | Sep 3, 2025 | n/a | Not reported |
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.
Affected Products
67 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Archer C1900 FirmwareTp-Link | See advisory | 1_260428 |
| Archer C5 FirmwareTp-Link | See advisory | 2_260429 |
| Archer C7 FirmwareTp-Link | 3_150508 | 2_241108 |
| Mr3420 FirmwareTp-Link | See advisory | n/a |
| Mr6400 FirmwareTp-Link | See advisory | n/a |
Patched Releases
Archer C1900 Firmware
1_260428
Archer C5 Firmware
2_260429
Archer C7 Firmware
2_241108
Tl-Wr841n Firmware
11_211209, 12_230317
Tl-Wr940n Firmware
6_250925
Tl-Wr941nd Firmware
6_220610
Wa901nd Firmware
4_201030, 6_220701
tp-link wr941hp firmware
1_211210
Timeline
Publicly disclosed
May 3, 2024
Added to Industry KEV feed
Aug 29, 2025
Added to CISA KEV
Sep 3, 2025
Added to CIRCL KEV
Sep 3, 2025
Added to ENISA EUVD
Sep 3, 2025
Last updated
Sep 3, 2026
Weakness Type
- CWE-290 Authentication Bypass by Spoofing
References
- advisoryhttps://www.tp-link.com/ca/support/download/tl-wr902ac/v3/#Firmware
- advisoryvendor-provided URL
- advisoryUSOM advisory
- advisoryhttps://www.zerodayinitiative.com/advisories/ZDI-23-1287/
- advisoryhttps://www.zerodayinitiative.com/advisories/ZDI-23-1623/
FAQ
Common Questions.
TP-Link TL-WR841N dropbearpwd Improper Authentication Information Disclosure Vulnerability.
Affected: Archer C1900 Firmware (Tp-Link); Archer C5 Firmware (Tp-Link); Archer C7 Firmware (Tp-Link) versions 3_150508, among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Aug 29, 2025.
Yes. It was added on Sep 3, 2025 with a federal remediation due date of Sep 24, 2025.
Public exploit code is available.
Fixed versions are available, including Archer C1900 Firmware 1_260428, Archer C5 Firmware 2_260429, Archer C7 Firmware 2_241108.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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