Vulnerabilities

CVSS

8.8 High

Vector

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

Risk score

100.0

Known exploited

CISA KEV

Published

2023-06-07

Status

Published

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 .

Weaknesses

CWE-77

Coverage 1

threat-intel

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

This report details an ongoing attempt to exploit CVE-2023-33538, a vulnerability in older TP-Link Wi-Fi router models (TL-WR940N v2/v4, TL-WR740N v1/v2, TL-WR841N v8/v10). Automated scans, utilizing Mirai-like malware p…

Palo Alto Unit 42 · Apr 16, 2026 High

CVE-2023-33538USiotvulnerabilitymirai

All articles mentioning it

Advisories and references

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