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
- Jun 17, 2026
- 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
Affected packages
Proof-of-concept & exploitation references
3 foundWeaponization
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.
- explxx/CVE-2023-33538★ 1
Python Exploit for TP-Link TL-WR940N/TL-WR841N Command Injection Vulnerability
updated Nov 24, 2025
- mrowkoob/CVE-2023-33538-msf★ 1
CVE-2023-33538 - TP-Link Command Injection Ruby module for Metasploit Framework
updated Feb 22, 2026
- eev4n/tplink-osci★ 0
rediscovered tplink nday xp (CVE-2023-33538)
updated May 17, 2026
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).
Is there exploit tooling available for CVE-2023-33538?
We found 3 public GitHub repositories referencing CVE-2023-33538, though none matched a known Nuclei template or Metasploit module at last check. Review each one before relying on it - see the proof-of-concept section above.
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
Impactr finds and proves whether CVE-2023-33538 - or flaws like it - are actually reachable in your own web apps and APIs, with a reproducible exploit as evidence.
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