CVE-2025-9377
TP-Link Archer C7(EU) and TL-WR841N/ND(MS) OS Command Injection Vulnerability
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 status
CISA Known Exploited Vulnerabilities
Listed by CISA on 3 September 2025. US federal agencies were required to remediate it by 24 September 2025.
EPSS — exploitation probability
FIRST puts the probability of exploitation activity in the next 30 days at 41.3%, which is higher than 98.7% of all scored vulnerabilities. EPSS is a forecast of activity, not a measure of severity, and it is rescored daily.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Frequently asked questions
Is CVE-2025-9377 being exploited by ransomware groups?
No ransomware group in this database is currently recorded as exploiting CVE-2025-9377.
What does CVE-2025-9377 affect?
CVE-2025-9377 affects 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).
How severe is CVE-2025-9377?
CVE-2025-9377 is rated HIGH with a CVSS base score of 7.2. EPSS puts the probability of exploitation in the next 30 days at 41.3%, higher than 98.7% of all scored vulnerabilities. It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 24 September 2025.
How should organisations respond to CVE-2025-9377?
Apply the vendor patch for TP-Link Multiple Routers as the first priority, and treat any internet-facing instance as the most urgent. Because this vulnerability is associated with ransomware activity, also review whether the affected systems were reachable before patching, rather than assuming that patching alone closes the incident.