Known Exploited Vulnerability
8.8
HIGH
CVE-2023-33538
TP-Link Multiple Routers Command Injection Vulnera - [Actively Exploited]
Description

TP-Link TL-WR940N V2/V4, TL-WR841N V8/V10, and TL-WR740N V1/V2 was discovered to contain a command injection vulnerability via the component /userRpm/WlanNetworkRpm .

INFO

Published Date :

June 7, 2023, 4:15 a.m.

Last Modified :

July 11, 2025, 2:49 p.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

2.8
CISA Notification
CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

Description :

TP-Link TL-WR940N V2/V4, TL-WR841N V8/V10, and TL-WR740N V1/V2 contain a command injection vulnerability via the component /userRpm/WlanNetworkRpm. 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.

Notes :

https://www.tp-link.com/nordic/support/faq/3562/ ; https://nvd.nist.gov/vuln/detail/CVE-2023-33538

Public PoC/Exploit Available at Github

CVE-2023-33538 has a 6 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2023-33538 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Tp-link tl-wr841n_firmware
2 Tp-link tl-wr940n_firmware
3 Tp-link tl-wr740n_firmware
4 Tp-link tl-wr841n
5 Tp-link tl-wr740n
6 Tp-link tl-wr940n
: Total Affected Vendor : 1 | Products : 6
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-33538.

URL Resource
https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/3/TL-WR940N_TL-WR841N_userRpm_WlanNetworkRpm_Command_Injection.md Broken Link Exploit Third Party Advisory
https://web.archive.org/web/20230609111043/https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/3/TL-WR940N_TL-WR841N_userRpm_WlanNetworkRpm_Command_Injection.md Exploit Third Party Advisory
https://www.secpod.com/blog/cisa-issues-warning-on-active-exploitation-of-tp-link-vulnerability-cve-2023-33538/ Third Party Advisory
https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/3/TL-WR940N_TL-WR841N_userRpm_WlanNetworkRpm_Command_Injection.md Broken Link Exploit Third Party Advisory
https://web.archive.org/web/20230609111043/https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/3/TL-WR940N_TL-WR841N_userRpm_WlanNetworkRpm_Command_Injection.md Exploit Third Party Advisory
https://www.tp-link.com/us/support/faq/3562/ Product

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
mrowkoob/CVE-2023-33538-msf

CVE-2023-33538 - TP-Link Command Injection Ruby module for Metasploit Framework

Ruby

Updated: 2 weeks, 5 days ago
0 stars 1 fork 1 watcher
Born at : June 23, 2025, 10:47 p.m. This repo has been linked 1 different CVEs too.
Profile Photo
explxx/CVE-2023-33538

Python Exploit for TP-Link TL-WR940N/TL-WR841N Command Injection Vulnerability

Python

Updated: 3 weeks ago
0 stars 0 fork 0 watcher
Born at : June 22, 2025, 7:41 p.m. This repo has been linked 1 different CVEs too.
Profile Photo
zulloper/cve-poc

CVE POC repo 자동 수집기

Python

Updated: 1 day, 10 hours ago
0 stars 0 fork 0 watcher
Born at : June 8, 2025, 3:07 p.m. This repo has been linked 93 different CVEs too.
Profile Photo
plzheheplztrying/cve_monitor

None

HTML Python Shell

Updated: 1 week, 3 days ago
0 stars 0 fork 0 watcher
Born at : Feb. 13, 2025, 8:50 a.m. This repo has been linked 890 different CVEs too.
Profile Photo
ums91/CISA_BOT

CISA Bot is a GitHub bot that automatically monitors the Cybersecurity and Infrastructure Security Agency (CISA) Known Exploited Vulnerabilities (KEV) Catalog. When new vulnerabilities are published in the KEV, the bot creates GitHub issues in this repository with detailed information about each vulnerability.

Python

Updated: 3 days, 15 hours ago
2 stars 0 fork 0 watcher
Born at : Oct. 29, 2024, 10:19 a.m. This repo has been linked 179 different CVEs too.
Profile Photo
d4n-sec/d4n-sec.github.io

None

CSS HTML JavaScript

Updated: 1 year, 5 months ago
0 stars 0 fork 0 watcher
Born at : Feb. 2, 2024, 2:11 p.m. This repo has been linked 494 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

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Published Date: Jun 17, 2025 (3 weeks, 6 days ago)
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Published Date: Jun 17, 2025 (3 weeks, 6 days ago)
CVE-2025-43200 CVE-2023-33538

The following table lists the changes that have been made to the CVE-2023-33538 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Modified Analysis by [email protected]

    Jul. 11, 2025

    Action Type Old Value New Value
    Added Reference Type MITRE: https://www.secpod.com/blog/cisa-issues-warning-on-active-exploitation-of-tp-link-vulnerability-cve-2023-33538/ Types: Third Party Advisory
  • CVE Modified by [email protected]

    Jul. 09, 2025

    Action Type Old Value New Value
    Added Reference https://www.secpod.com/blog/cisa-issues-warning-on-active-exploitation-of-tp-link-vulnerability-cve-2023-33538/
  • Modified Analysis by [email protected]

    Jun. 17, 2025

    Action Type Old Value New Value
    Changed Reference Type MITRE: https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/3/TL-WR940N_TL-WR841N_userRpm_WlanNetworkRpm_Command_Injection.md Types: Exploit, Third Party Advisory MITRE: https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/3/TL-WR940N_TL-WR841N_userRpm_WlanNetworkRpm_Command_Injection.md Types: Broken Link, Exploit, Third Party Advisory
    Added Reference Type MITRE: https://web.archive.org/web/20230609111043/https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/3/TL-WR940N_TL-WR841N_userRpm_WlanNetworkRpm_Command_Injection.md Types: Exploit, Third Party Advisory
    Added Reference Type CISA-ADP: https://web.archive.org/web/20230609111043/https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/3/TL-WR940N_TL-WR841N_userRpm_WlanNetworkRpm_Command_Injection.md Types: Exploit, Third Party Advisory
    Added Reference Type CISA-ADP: https://www.tp-link.com/us/support/faq/3562/ Types: Product
    Changed Reference Type CVE: https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/3/TL-WR940N_TL-WR841N_userRpm_WlanNetworkRpm_Command_Injection.md Types: Exploit, Third Party Advisory CVE: https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/3/TL-WR940N_TL-WR841N_userRpm_WlanNetworkRpm_Command_Injection.md Types: Broken Link, Exploit, Third Party Advisory
  • CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725

    Jun. 17, 2025

    Action Type Old Value New Value
    Added Date Added 2025-06-16
    Added Due Date 2025-07-07
    Added 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.
    Added Vulnerability Name TP-Link Multiple Routers Command Injection Vulnerability
  • CVE Modified by [email protected]

    Jun. 16, 2025

    Action Type Old Value New Value
    Added Reference https://web.archive.org/web/20230609111043/https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/3/TL-WR940N_TL-WR841N_userRpm_WlanNetworkRpm_Command_Injection.md
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jun. 16, 2025

    Action Type Old Value New Value
    Added Reference https://web.archive.org/web/20230609111043/https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/3/TL-WR940N_TL-WR841N_userRpm_WlanNetworkRpm_Command_Injection.md
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jun. 16, 2025

    Action Type Old Value New Value
    Added Reference https://www.tp-link.com/us/support/faq/3562/
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jan. 07, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-77
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/3/TL-WR940N_TL-WR841N_userRpm_WlanNetworkRpm_Command_Injection.md
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Jun. 13, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/3/TL-WR940N_TL-WR841N_userRpm_WlanNetworkRpm_Command_Injection.md No Types Assigned https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/3/TL-WR940N_TL-WR841N_userRpm_WlanNetworkRpm_Command_Injection.md Exploit, Third Party Advisory
    Added CWE NIST CWE-77
    Added CPE Configuration AND OR *cpe:2.3:o:tp-link:tl-wr940n_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:tp-link:tl-wr940n:2.0:*:*:*:*:*:*:* cpe:2.3:h:tp-link:tl-wr940n:4.0:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:tp-link:tl-wr841n_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:tp-link:tl-wr841n:8.0:*:*:*:*:*:*:* cpe:2.3:h:tp-link:tl-wr841n:10.0:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:tp-link:tl-wr740n_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:tp-link:tl-wr740n:1.0:*:*:*:*:*:*:* cpe:2.3:h:tp-link:tl-wr740n:2.0:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-33538 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-33538 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

90.66 }} 0.04%

score

0.99589

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
:
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Latest DB Update: Jul. 14, 2025 10:21