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 :
June 17, 2025, 3:54 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
2.8
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.
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.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
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 1 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.
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 | Exploit Third Party Advisory Broken Link |
| 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://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/3/TL-WR940N_TL-WR841N_userRpm_WlanNetworkRpm_Command_Injection.md | Exploit Third Party Advisory Broken Link |
| 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).
None
CSS HTML JavaScript
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2023-33538 vulnerability anywhere in the article.
-
The Hacker News
TP-Link Router Flaw CVE-2023-33538 Under Active Exploit, CISA Issues Immediate Alert
Network Security / IoT Security The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Monday added a high-severity security flaw in TP-Link wireless routers to its Known Exploited Vulner ... Read more
-
security.nl
VS meldt actief misbruik van beveiligingslek in wifi-routers TP-Link
Aanvallers maken actief misbruik van een kwetsbaarheid in wifi-routers van fabrikant TP-Link, zo waarschuwt het Amerikaanse cyberagentschap CISA. Het beveiligingslek laat een aanvaller op afstand syst ... Read more
-
TheCyberThrone
CISA Adds Apple and TP-Link Vulnerabilities to KEV Catalog
On June 16, 2025, the Cybersecurity and Infrastructure Security Agency (CISA) expanded its Known Exploited Vulnerabilities (KEV) Catalog by adding two high-risk vulnerabilities — one affecting Apple d ... Read more
-
Daily CyberSecurity
Zero-Click to Root: CISA Flags Active Exploits in Apple iOS and TP-Link Routers
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added two high-risk vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog, citing confirmed in-the-wild exploitation ... Read more
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]
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:*:*:*:*:*:*:*
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.
89.65 }} -1.33%
score
0.99525
percentile