CVE-2025-9377
TP-Link Archer C7(EU) and TL-WR841N/ND(MS) OS Command Injection Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 24 September 2025). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
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
- 8.6 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 33.52% probability · 98th percentile
- CISA KEV
- Listed 3 September 2025 · due 24 September 2025
- Weakness
- CWE-78
- Affected
- tp-link/tl-wr841n firmware · tp-link/tl-wr841nd firmware · tp-link/archer c7 firmware
- Source
- f23511db-6c3e-4e32-a477-6aa17d310630
CISA notes
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. https://www.tp-link.com/us/support/faq/4308/ ; https://nvd.nist.gov/vuln/detail/CVE-2025-9377
References
- https://www.tp-link.com/us/support/faq/4308/Product
- https://www.tp-link.com/us/support/faq/4365/Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-9377US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.