CVE-2023-33538: TP-Link Multiple Routers Command Injection Vulnerability
TP-Link TL-WR940N V2/V4, TL-WR841N V8/V10, and TL-WR740N V1/V2 contain a command injection vulnerability via the component /userRpm/WlanNetworkRpm. The impacted products could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization.
| Vendor | TP-Link |
|---|---|
| Product | Multiple Routers |
| Date added to KEV | 2025-06-16 |
| Due date (BOD 22-01) | 2025-07-07 |
| Known ransomware campaign use | Unknown |
| CWE | CWE-77 |
| 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. |
What to do
- Identify every instance of TP-Link Multiple Routers in your environment (asset inventory, EDR, vulnerability scanner).
- Apply CISA's 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.
- Federal civilian agencies must act by 2025-07-07 under BOD 22-01; other organizations can use the same date as a target.
- Check the vendor advisory and NVD entry linked below for affected versions, then record the fix in your change log.
Get new KEV entries in your inbox: free n8n workflow. Free CISA KEV Patch Digest (n8n workflow) (Runbook Foundry). A Monday-morning email of KEV entries added in the previous week (Mon-Sun), with your watchlist vendors listed first.
Not affiliated with n8n GmbH or CISA. Not tested on n8n Cloud. n8n is a trademark of n8n GmbH.
Sources
- NVD entry for CVE-2023-33538 (severity scores, if any, live there)
- CISA KEV catalog entry
- https://www.tp-link.com/nordic/support/faq/3562/
- https://nvd.nist.gov/vuln/detail/CVE-2023-33538