CVE-2025-9377highunder attackCWE-78

CVE-2025-9377: high-severity vulnerability in TP-Link Systems Inc. Archer C7(EU) V2

Authenticated RCE via Parental Control command injection

Published · Updated

Follow this CVE+ Monitor Archer C7+ Monitor TL-WR841N/ND

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

63Vexday Risk Score

Prioritize patching. It under exploitation confirmed by CISA.

ssvc Actcvss 8.6epss 41%
from disclosure to weapon
Published on NVDAug 29
CISA KEV+5d
Action required by CISAfederal deadline: 2025-09-24

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

In short

An authenticated attacker can execute arbitrary commands on TP-Link routers (Archer C7(EU) V2 and TL-WR841N/ND(MS) V9) through a command injection flaw in the Parental Control page. This allows complete system compromise if an attacker gains access to the router's admin interface.

Technical detail

Command injection vulnerability in the Parental Control functionality allows authenticated users to inject and execute arbitrary OS commands via unsanitized input parameters. Attack requires valid administrative credentials and affects firmware versions before 241108; exploitation results in remote code execution with router privileges.

Summary generated and translated by AI from the official description.

The full analysis of this CVE is available in Portuguese →

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).
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products
TP-Link Systems Inc. · Archer C7(EU) V2TP-Link Systems Inc. · TL-WR841N/ND(MS) V9