CVE-2025-6139: Totolink t10 Firmware

Low severity, CVSS 3.9. EPSS: 0.4% chance of exploitation in the next 30 days.

A vulnerability, which was classified as problematic, has been found in TOTOLINK T10 4.1.8cu.5207. Affected by this issue is some unknown functionality of the file /etc/shadow.sample. The manipulation leads to use of hard-coded password. The attack can only be initiated within the local network. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used.

Affected products

• Totolink t10 Firmware: version 4.1.8cu.5207_b20210320 only

Published 2025-06-16. Last modified 2026-09-26.