Vulnerability report

Exploited in the wild Confirmed confidence In CISA KEV

CVE-2023-50224

TL-WR841N Information Disclosure

TP-Link / TL-WR841N · affected before 12.0

Severity
CVSS 6.5 · Medium
Confidence
Confirmed
Exploit status
Exploited in the wild
EPSS
20.0%
First observed
—
Last observed
—

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2023-50224 is an unauthenticated vulnerability affecting TP-Link TL-WR841N and 21 other products. TP-Link TL-WR841N dropbearpwd Improper Authentication Information Disclosure Vulnerability. This vulnerability...

Is it exploited?

Yes. Previdian tracks this CVE as a known exploited vulnerability. Confidence is confirmed. Listed in CISA KEV. Also confirmed by third-party sources.

Who is affected?

TP-Link / TL-WR841N affected before 12.0.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

TP-Link TL-WR841N dropbearpwd Improper Authentication Information Disclosure Vulnerability

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.

tp-link Affected
tl-wr841n_firmware
Before 12.0
TP-Link Affected
TL-WR841N
3.16.9 build 200409 V8 V9 V10 V11 V12
TP-Link Unaffected
TL-WR841N
V11_211209 V12_230317
TP-Link Affected
TL-WR841ND
V8 V9 V10 V11 V12
TP-Link Unaffected
TL-WR841ND
V11_211209 V12_230317
TP-Link Affected
TL-MR6400
V1 V2
TP-Link Affected
Archer C5
V2
TP-Link Affected
Archer C7
V2 V3
TP-Link Unaffected
Archer C7
V2_241108
TP-Link Affected
TL-WDR3600
V2
TP-Link Affected
TL-WDR4300
V1
TP-Link Affected
TL-WDR3500
V2
TP-Link Affected
TL-WR740N
V4 V5 V6 V7
TP-Link Affected
TL-WR741ND
V4 V5 V6
TP-Link Affected
TL-WR749N
BR 6.0 BR 7.0
TP-Link Affected
TL-MR3420
V2 V3 V4
TP-Link Affected
TL-WR1043ND
V2 V3 V4
TP-Link Affected
TL-WR1045ND
RU V2
TP-Link Affected
TL-WR840N
V2 V3
TP-Link Affected
TL-WR842N
V2 V3 V4
TP-Link Affected
TL-WR842ND
V2 V3 V4
TP-Link Affected
TL-WR845N
V1 V2
TP-Link Affected
TL-WR941ND
V5 V6
TP-Link Unaffected
TL-WR941ND
V6_220610
TP-Link Affected
TL-WR945N
V1
TP-Link Affected
TL-WA801ND
V3 V4
TP-Link Affected
TL-WA901ND
V3 V4 V5
TP-Link Unaffected
TL-WA901ND
V4_201030 V5_201030
View vendor advisory (opens in new tab)
Published
03 May 2024
Exploitation Reported
01 Jun 2026
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None

Tags

cisa edge

CVE References

  • CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2023-50224
  • vendor-provided URL tp-link.com · Vendor Advisory https://www.tp-link.com/en/support/download/tl-wr841n/v12/#Firmware
  • vendor-advisory tp-link.com · Vendor Advisory https://www.tp-link.com/us/support/faq/5058/
  • ZDI-23-1808 zerodayinitiative.com · CVE Record https://www.zerodayinitiative.com/advisories/ZDI-23-1808/

Exploitation evidence

Why Previdian marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

CVE

Recorded 01 Jun 2026

A trusted third party reported exploitation.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the Previdian Pro API.

Learn about Pro API access
Source Added
CVE First 2026-06-01 10:40 UTC
CISA 2026-06-02 14:06 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets
User-Agents
Callback hosts
0
0
0

Request targets and User-Agents available in Pro. Callback host details available in Enterprise.

Scanner coverage

No scanner integrations recorded yet.

Virtual patch status

No Previdian virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

No detection artifacts or sensor request patterns are available for this CVE yet.

Check back as sensor telemetry and scanner integrations are updated.

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

6.5 Medium

Potential damage if exploited. Separate from whether attackers are using it.

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

20.0%

Estimated chance of exploitation in the next 30 days. Previdian's warning comes from evidence, not this score.

Recent mention · The Hacker News

TP-Link Sued by Four More U.S. States Over Router Security and China Ties

Swati KhandelwalOct 09, 2026Network Security / Data Privacy Four more U.S. states sued router maker TP-Link Systems on October 6, bringing the total to five, with Texas filing a suit in February. Florida, Iowa, Montana and Nebraska allege the California company misled buyers...

Read full advisory

All CVSS Scores

CVSS v3.1 6.5 Medium

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v3.0 6.5 Medium

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Timeline

From disclosure to observed exploitation

  1. 14:06 UTC

    Added to CISA KEV

    Listed in the CISA Known Exploited Vulnerabilities catalog

  2. 10:40 UTC

    Added to Previdian KEV Feed

    High-confidence, third-party attested exploitation

  3. 02:14 UTC

    CVE published

    Vulnerability disclosed publicly

  4. 16:15 UTC

    CVE ID reserved

    Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

  • Evidence confidence and provenance
  • First-party sensor telemetry
  • PoC and scanner references
  • Affected versions and enrichment
  • Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2023-50224

Sample API response
{
  "cve_id": "CVE-2023-50224",
  "confidence": "Confirmed",
  "cvss_score": 6.5,
  "cvss_estimated": false,
  "epss_score": 0.20021,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}