CVE-2023-33538

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 .

Score

CVSS 3.1 8.8 High

Status

Analyzed - cve@mitre.org

Published

2023-06-07

Last modified

2025-12-20

Known exploited (CISA KEV)

since 2025-06-16, action due 2025-07-07: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Weaknesses

CWE-77

Affected products

• Tl-wr740n Firmware (Tp-link)
• Tl-wr841n Firmware (Tp-link)
• Tl-wr940n Firmware (Tp-link)

References

• https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/3/TL-WR940N_TL-WR841N_userRpm_WlanNetworkRpm_Command_Injection…
• https://web.archive.org/web/20230609111043/https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/3/TL-WR940N_TL-WR84…
• https://www.secpod.com/blog/cisa-issues-warning-on-active-exploitation-of-tp-link-vulnerability-cve-2023-33538/
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-33538
• https://www.tp-link.com/us/support/faq/3562/