CVE-2023-33538: TP-Link Multiple Routers Command Injection Vulnerability
Vulnerability summary
CVE-2023-33538 is a high (CVSS 8.8) Command Injection vulnerability in TP-Link Multiple Routers. It is known to be exploited: CISA lists it, first on 16-06-2025. EPSS estimates a 41.61% chance of exploitation in the next 30 days, higher than 98.6% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 07-06-2023PublishedVulnerability first disclosed.
- 16-06-2025Added to CISA KEVTP-Link Multiple Routers Command Injection Vulnerability
- 07-07-2025CISA remediation dueApply mitigations per vendor instructions.
- 20-12-2025Last modifiedVulnerability information updated.
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 .
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
41.61%
Chance of exploitation in the next 30 days
Percentile
99%
Versus all other CVEs
30-day change
-0.27 pp
From 41.87% on 21-09-2026
Known exploited
Compare KEV catalogs
CISA KEVListed- Added
- 16-06-2025
- Federal due date
- 07-07-2025
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. www.tp-link.com/nordic/support/faq/3562/ nvd.nist.gov/vuln/detail/CVE-2023-33538
Public exploits
1 foundIotvul
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Tp-link3 products
1 vendor · 3 products
References
5 links- www.secpod.com/blog/…Third Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-33538Government ResourceUS Government Resource