# CVE-2023-33538: TP-Link Multiple Routers Command Injection Vulnerability

> CVE-2023-33538: TP-Link Multiple Routers Command Injection Vulnerability. CVSS 8.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2023-33538
Last updated: 2025-12-20T04:55:28Z

- Published: 2023-06-07 00:00 UTC · Updated: 2025-12-20 04:55 UTC · Assigner: mitre
- CVSS: 8.8 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS: 41.6%, 99th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2025-06-16, federal due date 2025-07-07, ransomware use: Unknown

## 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 .

## CISA 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.

## Affected vendors and products

- TP-Link: Multiple Routers

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2023-33538)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2023-33538)
- [https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/3/TL-WR940N\_TL-WR841N\_userRpm\_WlanNetworkRpm\_Command\_Injection.md](https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/3/TL-WR940N_TL-WR841N_userRpm_WlanNetworkRpm_Command_Injection.md)
- [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](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)
- [https://www.secpod.com/blog/cisa-issues-warning-on-active-exploitation-of-tp-link-vulnerability-cve-2023-33538/](https://www.secpod.com/blog/cisa-issues-warning-on-active-exploitation-of-tp-link-vulnerability-cve-2023-33538/)

---

_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


---
Canonical: https://rewindex.com/cve/CVE-2023-33538 · Markdown: https://rewindex.com/cve/CVE-2023-33538.md · JSON: https://rewindex.com/api/v1/cves/CVE-2023-33538 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:16:39.444Z