Medium 6.5Known exploited (CISA KEV)Published May 2, 2024

CVE-2023-50224TP-Link TL-WR841N dropbearpwd Improper Authentication Information Disclosure Vulnerability

Updated under an hour ago (Oct 28, 2026, 7:23 AM ET)

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It affects TP-Link TL-WR841N and 57 other products. Add what you run to find out whether that includes you.

CISA lists it as known exploited since Sep 3, 2025; federal agencies had to remediate by Sep 24, 2025. Treat that date as your deadline.

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Every CVE for TP-Link TL-WR841N

Exploited in the last 30 days

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: 6.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE): CWE-290
Known exploited: Added to CISA KEV Sep 3, 2025; federal remediation due Sep 24, 2025Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
EPSS (exploitation in the next 30 days): 20.02% (percentile 97)
Assigned by: zdi
NVD analysis: Analyzed
Record last updated: Sep 2, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

TP-Link TL-WR841N tp_link:tl_wr841n (from the name)	3.16.9 build 200409; V8; V9; V10; V11; V11_211209 not affected; V12; V12_230317 not affected	CNA record
TP-Link TL-WR841ND tp_link:tl_wr841nd (from the name)	V8; V9; V10; V11; V11_211209 not affected; V12; V12_230317 not affected	CNA record
TP-Link TL-MR6400 tp_link:tl_mr6400 (from the name)	V1; V2	CNA record
TP-Link Archer C5 tp_link:archer_c5 (from the name)	V2	CNA record
TP-Link Archer C7 tp_link:archer_c7 (from the name)	V2; V2_241108 not affected; V3	CNA record
TP-Link TL-WDR3600 tp_link:tl_wdr3600 (from the name)	V2	CNA record
TP-Link TL-WDR4300 tp_link:tl_wdr4300 (from the name)	V1	CNA record
TP-Link TL-WDR3500 tp_link:tl_wdr3500 (from the name)	V2	CNA record
TP-Link TL-WR740N tp_link:tl_wr740n (from the name)	V4; V5; V6; V7	CNA record
TP-Link TL-WR741ND tp_link:tl_wr741nd (from the name)	V4; V5; V6	CNA record
1–10 of 59

References

References

https://www.zerodayinitiative.com/advisories/ZDI-23-1808/	x-research-advisory, third-party-advisory
https://www.tp-link.com/en/support/download/tl-wr841n/v12/#Firmware	vendor-advisory, product
https://www.tp-link.com/us/support/faq/5058/	vendor-advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-50224	us-government-resource

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.