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

A remote attacker, with administrative privileges, can achieve full data confidentiality loss, arbitrary modification of data, complete denial of service or system unavailability. Federal agencies are required to remediate by 2025-09-24 under CISA BOD 22-01.

This is a OS Command Injection (CWE-78) vulnerability in TP-Link Multiple Routers. 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). Exploitation requires remote network access, low attack complexity, an administrative account, and no user interaction required.

Probably yes if any of these apply:

CISA added this CVE to the Known Exploited Vulnerabilities catalog on 2025-09-03 based on evidence of active exploitation in the wild. Federal agencies required to remediate by 2025-09-24.