CVE-2023-33538

HIGH

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 .

CVSS v3.1 Score

8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Published: 6/7/2023Modified: 10/27/2025

Related Intelligence (1)

LOWMalware

A Deep Dive Into Attempted Exploitation of CVE-2023-33538

CVE-2023-33538 allows for command injection in TP-Link routers. We discuss exploitation attempts with payloads characteristic of Mirai botnet malware. The post A Deep Dive Into Attempted Exploitation of CVE-2023-33538 appeared first on Unit 42 .

CVE-2023-33538
Unit 42 (Palo Alto)

References (7)

https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/3/TL-WR940N_TL-WR841N_userRpm_WlanNetworkRpm_Command_Injection.mdBroken LinkExploithttps://web.archive.org/web/20230609111043/https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/3/TL-WR940N_TL-WR841N_userRpm_WlanNetworkRpm_Command_Injection.mdExploitThird Party Advisoryhttps://www.secpod.com/blog/cisa-issues-warning-on-active-exploitation-of-tp-link-vulnerability-cve-2023-33538/Third Party Advisoryhttps://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/3/TL-WR940N_TL-WR841N_userRpm_WlanNetworkRpm_Command_Injection.mdBroken LinkExploithttps://web.archive.org/web/20230609111043/https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/3/TL-WR940N_TL-WR841N_userRpm_WlanNetworkRpm_Command_Injection.mdExploitThird Party Advisoryhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-33538US Government Resourcehttps://www.tp-link.com/us/support/faq/3562/Product