CVE-2023-33538

8.8 HIGH CISA KEV - Actively Exploited

Published: June 07, 2023 Modified: October 27, 2025

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 .

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/3/TL-WR940N_TL-WR841N_userRpm_WlanNetworkRpm_Command_Injection.md

Source: cve@mitre.org

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

Source: cve@mitre.org

Exploit Third Party Advisory

https://www.secpod.com/blog/cisa-issues-warning-on-active-exploitation-of-tp-link-vulnerability-cve-2023-33538/

Source: cve@mitre.org

Third Party Advisory

https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/3/TL-WR940N_TL-WR841N_userRpm_WlanNetworkRpm_Command_Injection.md

Source: af854a3a-2127-422b-91ae-364da2661108

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

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

Exploit Third Party Advisory

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-33538

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

US Government Resource

https://www.tp-link.com/us/support/faq/3562/

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

Product

7 reference(s) from NVD

Quick Stats

CVSS v3 Score

8.8 / 10.0

EPSS (Exploit Probability)

91.3%

100th percentile

Exploitation Status

Actively Exploited

Remediation due: 2025-07-07

Weaknesses (CWE)

CWE-77 CWE-77

Affected Vendors

tp-link

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