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CVE-2023-50224

TP-Link TL-WR841N Authentication Bypass by Spoofing

6.5 MEDIUMActively exploited (CISA KEV)EPSS 15.6%
  1. Published3 May 2024
  2. Added to CISA KEV3 Sept 2025
  3. Remediation due24 Sept 2025
Actively exploited (CISA KEV)

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.

Added to KEV: 3 Sept 2025Federal remediation due: 24 Sept 2025

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.

CVSS 3.1 breakdown

Attack vectorAdjacent
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

TP-Link Archer C1900 Firmware< 1_260428
TP-Link Archer C5 Firmware≥ 2_150130 < 2_260429
TP-Link Archer C7 Firmware≥ 2_131217 < 2_241108 · 3_150508
TP-Link Mr3420 Firmwareall versions
TP-Link Mr6400 Firmwareall versions
TP-Link Tl-mr3020 Firmwareall versions
TP-Link Tl-mr3220 Firmwareall versions
TP-Link Tl-wdr3600 Firmwareall versions
TP-Link Tl-wdr4300 Firmwareall versions
TP-Link Tl-wr710n Firmwareall versions
TP-Link Tl-wr740n Firmwareall versions
TP-Link Tl-wr741nd Firmwareall versions
TP-Link Tl-wr743nd Firmwareall versions
TP-Link Tl-wr810n Firmwareall versions
TP-Link Tl-wr840n Firmwareall versions
TP-Link Tl-wr841nd Firmwareall versions
TP-Link Tl-wr841n Firmware≥ 11_150616 < 11_211209 · ≥ 12_160624 < 12_230317
TP-Link Tl-wr843n Firmwareall versions
TP-Link Tl-wr902ac Firmware1_160905 · 1_170628
TP-Link Tl-wr940n Firmware≥ 5_161019 ≤ 5_220801 · ≥ 6_170325 < 6_250925
TP-Link Tl-wr940n Plus Firmware6_170704 · 6_171115
TP-Link Tl-wr941nd Firmware≥ 6_150206 < 6_220610
TP-Link Wa701nd Firmwareall versions
TP-Link Wa801nd Firmwareall versions

Remediation

Fixed in
TP-Link Archer C1900 Firmware≥ 1_260428
TP-Link Archer C5 Firmware≥ 2_260429
TP-Link Archer C7 Firmware≥ 2_241108
TP-Link Tl-wr841n Firmware≥ 11_211209
TP-Link Tl-wr940n Firmware≥ 6_250925
TP-Link Tl-wr941nd Firmware≥ 6_220610
TP-Link Wa901nd Firmware≥ 4_201030
TP-Link Wr941hp Firmware≥ 1_211210

References

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Frequently asked

Is CVE-2023-50224 being actively exploited?

Yes. CVE-2023-50224 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 3 Sept 2025.

How severe is CVE-2023-50224?

CVE-2023-50224 has a CVSS 3.1 base score of 6.5, rated medium. EPSS estimates a 15.6% probability of exploitation.

Which products are affected by CVE-2023-50224?

Affected products include TP-Link Archer C1900 Firmware, TP-Link Archer C5 Firmware, TP-Link Archer C7 Firmware, TP-Link Mr3420 Firmware, TP-Link Mr6400 Firmware, and 19 more.

How do I fix CVE-2023-50224?

Upgrade affected software to a fixed version, for example TP-Link Archer C1900 Firmware 1_260428, TP-Link Archer C5 Firmware 2_260429, TP-Link Archer C7 Firmware 2_241108 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2023-50224 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.