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CISA Known Exploited Vulnerabilities

TP-Link TL-WR841N Authentication Bypass by Spoofing Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV
2025-09-03
Remediation due
2025-09-24

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.

CISA notes
https://www.tp-link.com/us/support/faq/4308/ ; https://nvd.nist.gov/vuln/detail/CVE-2023-50224

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.

Severity

CVSS 3.1 · CNA6.5 MEDIUM
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC · CISA-ADP
Exploitationactive
Automatableno
Technical impactpartial

Exploitation Context

as of October 17, 2026
All KEV statistics→
  • CISA added CVE-2023-50224 to the KEV catalog 488 days after its CVE record was published. The median for entries added in 2025 is 26 days.
  • It is one of 6 TP-Link entries in the CISA KEV catalog, and one of 4 added in 2025.
  • Its current EPSS score (20.0%) is higher than that of 35% of CISA KEV entries.

Affected Products

ProductAffected versions
TP-Link
TL-WR841N
3.16.9 build 200409
V8
V9
V10
V11
V11_211209 (unaffected)
V12
V12_230317 (unaffected)
TP-Link
TL-WR841ND
V8
V9
V10
V11
V11_211209 (unaffected)
V12
V12_230317 (unaffected)
TP-Link
TL-MR6400
V1
V2
TP-Link
Archer C5
V2
TP-Link
Archer C7
V2
V2_241108 (unaffected)
V3
TP-Link
TL-WDR3600
V2
TP-Link
TL-WDR4300
V1
TP-Link
TL-WDR3500
V2
TP-Link
TL-WR740N
V4
V5
V6
V7
TP-Link
TL-WR741ND
V4
V5
V6
TP-Link
TL-WR749N
BR 6.0
BR 7.0
TP-Link
TL-MR3420
V2
V3
V4
TP-Link
TL-WR1043ND
V2
V3
V4
TP-Link
TL-WR1045ND
RU V2
TP-Link
TL-WR840N
V2
V3
TP-Link
TL-WR842N
V2
V3
V4
TP-Link
TL-WR842ND
V2
V3
V4
TP-Link
TL-WR845N
V1
V2
TP-Link
TL-WR941ND
V5
V6
V6_220610 (unaffected)
TP-Link
TL-WR945N
V1
TP-Link
TL-WA801ND
V3
V4
TP-Link
TL-WA901ND
V3
V4
V4_201030 (unaffected)
V5
V5_201030 (unaffected)

References

3 Links
Other references

Record Details

Published
2024-05-03
Last updated
2026-09-02
Assigner (CNA)
zdi
Credited to
-

Related

CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.