CVE-2023-50224 (GCVE-0-2023-50224)
Vulnerability from cvelistv5 – Published: 2024-05-03 02:14 – Updated: 2026-09-02 17:58Title
TP-Link TL-WR841N dropbearpwd Improper Authentication Information Disclosure Vulnerability
Summary
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
6.5 (Medium)
SSVC
Exploitation: active
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-09-03 03:55 UTC
CWE
- CWE-290 - Authentication Bypass by Spoofing
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_research-advisory |
| https://www.tp-link.com/en/support/download/tl-wr… | vendor-advisory |
| https://www.tp-link.com/us/support/faq/5058/ | vendor-advisory |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Impacted products
23 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| TP-Link | TL-WR841N |
Affected:
3.16.9 build 200409
(custom)
Affected: V8 (custom) Affected: V9 (custom) Affected: V10 (custom) Affected: V11 (custom) Unaffected: V11_211209 (custom) Affected: V12 (custom) Unaffected: V12_230317 (custom) |
guessed | |
| TP-Link | TL-WR841ND |
Affected:
V8
(custom)
Affected: V9 (custom) Affected: V10 (custom) Affected: V11 (custom) Unaffected: V11_211209 (custom) Affected: V12 (custom) Unaffected: V12_230317 (custom) |
guessed | |
| TP-Link | TL-MR6400 |
Affected:
V1
(custom)
Affected: V2 (custom) |
guessed | |
| TP-Link | Archer C5 |
Affected:
V2
(custom)
|
guessed | |
| TP-Link | Archer C7 |
Affected:
V2
(custom)
Unaffected: V2_241108 (custom) Affected: V3 (custom) |
guessed | |
| TP-Link | TL-WDR3600 |
Affected:
V2
(custom)
|
guessed | |
| TP-Link | TL-WDR4300 |
Affected:
V1
(custom)
|
guessed | |
| TP-Link | TL-WDR3500 |
Affected:
V2
(custom)
|
guessed | |
| TP-Link | TL-WR740N |
Affected:
V4
(custom)
Affected: V5 (custom) Affected: V6 (custom) Affected: V7 (custom) |
guessed | |
| TP-Link | TL-WR741ND |
Affected:
V4
(custom)
Affected: V5 (custom) Affected: V6 (custom) |
guessed | |
| TP-Link | TL-WR749N |
Affected:
BR 6.0
(custom)
Affected: BR 7.0 (custom) |
guessed | |
| TP-Link | TL-MR3420 |
Affected:
V2
(custom)
Affected: V3 (custom) Affected: V4 (custom) |
guessed | |
| TP-Link | TL-WR1043ND |
Affected:
V2
(custom)
Affected: V3 (custom) Affected: V4 (custom) |
guessed | |
| TP-Link | TL-WR1045ND |
Affected:
RU V2
(custom)
|
guessed | |
| TP-Link | TL-WR840N |
Affected:
V2
(custom)
Affected: V3 (custom) |
guessed | |
| TP-Link | TL-WR842N |
Affected:
V2
(custom)
Affected: V3 (custom) Affected: V4 (custom) |
guessed | |
| TP-Link | TL-WR842ND |
Affected:
V2
(custom)
Affected: V3 (custom) Affected: V4 (custom) |
guessed | |
| TP-Link | TL-WR845N |
Affected:
V1
(custom)
Affected: V2 (custom) |
guessed | |
| TP-Link | TL-WR941ND |
Affected:
V5
(custom)
Affected: V6 (custom) Unaffected: V6_220610 (custom) |
guessed | |
| TP-Link | TL-WR945N |
Affected:
V1
(custom)
|
guessed | |
| TP-Link | TL-WA801ND |
Affected:
V3
(custom)
Affected: V4 (custom) |
guessed | |
| TP-Link | TL-WA901ND |
Affected:
V3
(custom)
Affected: V4 (custom) Unaffected: V4_201030 (custom) Affected: V5 (custom) Unaffected: V5_201030 (custom) |
guessed | |
| tp-link | tl-wr841n_firmware |
Affected:
0 , < 12.0
(custom)
cpe:2.3:o:tp-link:tl-wr841n_firmware:-:*:*:*:*:*:*:* |
Date Public
2023-12-19 16:08
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 356b258f-8fdb-469b-a0e2-b4675e1cb139
Exploited: Yes
Timestamps
First Seen: 2025-09-03
Asserted: 2025-09-03
Scope
Notes: KEV entry: TP-Link TL-WR841N Authentication Bypass by Spoofing Vulnerability | Affected: TP-Link / TL-WR841N | Description: 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. | 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. | Due date: 2025-09-24 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://www.tp-link.com/us/support/faq/4308/ ; https://nvd.nist.gov/vuln/detail/CVE-2023-50224
Evidence
Type: Vendor Report
Signal: Successful Exploitation
Confidence: 80%
Source: cisa-kev
Details
| Cwes | CWE-290 |
|---|---|
| Feed | CISA Known Exploited Vulnerabilities Catalog |
| Product | TL-WR841N |
| Due Date | 2025-09-24 |
| Date Added | 2025-09-03 |
| Vendorproject | TP-Link |
| Vulnerabilityname | TP-Link TL-WR841N Authentication Bypass by Spoofing Vulnerability |
| Knownransomwarecampaignuse | Unknown |
References
Created: 2026-02-02 12:25 UTC
| Updated: 2026-02-06 07:17 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 08ab1256-d512-403e-9e25-a2a472737c6b
Exploited: Yes
Timestamps
First Seen: 2026-06-01
Asserted: 2026-06-01
Scope
Notes: KEVIntel entry: TP-Link TL-WR841N dropbearpwd Improper Authentication Information Disclosure Vulnerability | Affected: TP-Link / TL-WR841N | CVSS: 6.5 (MEDIUM) | EPSS: 0.1745 | Used in malware: unknown | Not yet in CISA KEV: False
Evidence
Type: Public Report
Signal: Successful Exploitation
Confidence: 70%
Source: kevintel
Details
| Feed | KEVIntel (kevintel.com) |
|---|---|
| Title | TP-Link TL-WR841N dropbearpwd Improper Authentication Information Disclosure Vulnerability |
| Vendor | TP-Link |
| Product | TL-WR841N |
| Added Date | 2026-06-01T10:40:01.833Z |
| Cvss Score | 6.5 |
| Epss Score | 0.1745 |
| Cvss Severity | MEDIUM |
| Epss Percentile | 0.96738 |
| Used In Malware | unknown |
| Ahead Of Cisa Kev |
|
| Not Yet In Cisa Kev | False |
References
Created: 2026-06-23 14:03 UTC
| Updated: 2026-07-10 06:14 UTC
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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