TP-Link Multiple Routers Command Injection Vulnerability

[ Why it matters ]Priority signals

• Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2025-06-16
• EPSS: 42% chance of exploitation in the next 30 days (higher than 99% of CVEs)

[ Description ]Official 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 .

CISA: 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.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 7 Jul 2025): Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

• github.com/a101e-IoTvul/iotvul/blob/main/tp-link/3/TL-WR940N_TL-WR841N_userRpm_WlanNetw…Broken LinkExploitThird Party Advisory
• web.archive.org/web/20230609111043/https://github.com/a101e-IoTvul/iotvul/blob/main/tp-…ExploitThird Party Advisory
• www.secpod.com/blog/cisa-issues-warning-on-active-exploitation-of-tp-link-vulnerability…Third Party Advisory
• www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource
• www.tp-link.com/us/support/faq/3562Product