CVE-2025-9377: TP-Link Archer C7(EU) and TL-WR841N/ND(MS) OS Command Injection Vulnerability

High severity, CVSS 7.2. Actively exploited: in CISA KEV since 2025-09-03. EPSS: 35.8% chance of exploitation in the next 30 days.

The authenticated remote command execution (RCE) vulnerability exists in the Parental Control page on TP-Link Archer C7(EU) V2 and TL-WR841N/ND(MS) V9. This issue affects Archer C7(EU) V2: before 241108 and TL-WR841N/ND(MS) V9: before 241108. Both products have reached the status of EOL (end-of-life). It's recommending to purchase the new product to ensure better performance and security. If replacement is not an option in the short term, please use the second reference link to download and install the patch(es).

Affected products

• TP-Link Archer c7 Firmware: before 241108 (fixed in 241108)
• TP-Link TL-WR841N Firmware: before 241108 (fixed in 241108)
• TP-Link Tl-WR841ND Firmware: before 241108 (fixed in 241108)

Published 2025-08-29. Last modified 2026-06-17.