CVE-2023-33538
TP-Link Multiple Routers Command Injection Vulnerability
Published Jun 6, 2023 · updated Jun 16, 2026 · tp-link tl-wr940n firmware
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.
Timeline
Detection, updates, and resolution for this record.
Jun 6, 2023 · Catalog
Detected
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.
Jun 16, 2025 · CISA KEV
Known exploited
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Jul 7, 2025 · CISA KEV
Remediation due
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Jun 16, 2026 · Catalog
Updated
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.
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.
CISA due date Jul 7, 2025
Affected
- cpe tp-link/tl-wr740n firmwareversion unspecified
- cpe tp-link/tl-wr841n firmwareversion unspecified
- cpe tp-link/tl-wr940n firmwareversion unspecified
- vendor TP-Link Multiple Routersversion unspecified
Sources
- CISA KEVCVE-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.gov - CVE.orgCVE-2023-33538
Official CVE identifier
cve.org - FIRST EPSSCVE-2023-33538
30-day exploitation probability 41.6%
first.org - NIST NVDCVE-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 .
nvd.nist.gov