TP-Link Multiple Routers Command Injection Vulnerability
n/a — n/a
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 .
8.8
41.9%
Vector breakdown
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Published
- Jun 7, 2023
- Modified
- Dec 20, 2025
- Added to KEV
- Jun 16, 2025
- Federal patch due
- Jul 7, 2025
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.
Weakness classification
Proof-of-concept & exploitation references
Weaponization
Public repositories whose name or description references CVE-2023-33538, found via a live GitHub search at request time. These are community-sourced signals, not a verified working exploit - cross-check each one before relying on it, and treat higher star counts and recent activity as (weak) corroboration, not proof.
No public GitHub repositories referencing CVE-2023-33538 were found at last check. Absence here is not proof no exploit exists - see the references below for vendor advisories and write-ups.
References
Frequently asked questions
What is 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 .
How severe is CVE-2023-33538?
CVE-2023-33538 has a CVSS base score of 8.8 out of 10 (CVSS 3.1).
Is CVE-2023-33538 actively exploited in the wild?
Yes. CVE-2023-33538 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added Jun 16, 2025, meaning CISA has confirmed evidence of active exploitation.
What is the EPSS score for CVE-2023-33538?
41.9% - meaning FIRST.org's EPSS model estimates a 41.9% probability this vulnerability will be exploited in the wild within 30 days (99% percentile among all scored CVEs).
What type of vulnerability is CVE-2023-33538?
CVE-2023-33538 is classified under CWE-77 (CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')).
Cross-checked against
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