TP-Link Multiple Routers Command Injection Vulnerability (CVE-2023-33538)
Severity: high · Patch status: unknown · Since 2025-06-16 · CVE-2023-33538
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. CISA added CVE-2023-33538 to its Known Exploited Vulnerabilities catalog on Jun 16, 2025, which means attackers are exploiting it in the wild.
What to do
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- US federal agencies must remediate by Jul 7, 2025 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch