Security Advisory on Insufficient Backup File Upload Input Validation on Archer RE605X (CVE-2025-15545)

Vulnerability Description:

CVE-2025-15545

The backup restore function does not properly validate unexpected or unrecognized tags within the backup file. When such a crafted file is restored, the injected tag is interpreted by a shell, allowing execution of arbitrary commands with root privileges.

CVSS v4.0 Score: 7.3 / High

CVSS:4.0/AV:A/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Impact:

Successful exploitation allows the attacker to gain root-level command execution, compromising confidentiality, integrity and availability.

Affected Products/Versions and Fixes:

Recommendations:

We strongly recommend that users with affected devices take the following actions:

1. Download and update to the latest firmware version to fix the vulnerabilities.

EN: Download for RE605X | TP-Link

US: Download for RE605X | TP-Link

Disclaimer:

If you do not take all recommended actions, this vulnerability will remain. TP-Link cannot bear any responsibility for consequences that could have been avoided by following this advisory.