Vulnerability in Totolink T10
CVE-2025-6139
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.9 (Low). Vector: CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (32.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001
Affected products
- Totolink T10 — versions 2.0, 4.1.8cu.5207
- Totolink T10 Firmware — versions 4.1.8cu.5207_b20210320
Weakness classification (CWE)
References
- vuldb.com/ (VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- candle-throne-f75.notion.site/TOTOLINK-T10-shadow-20ddf0aa118580f5a455cd5dbc521… (Exploit, Third Party Advisory, exploit)
- www.totolink.net/ (Product, product)
Frequently asked questions
- What is CVE-2025-6139?
- CVE-2025-6139 is a low-severity vulnerability in Totolink T10, classified under CWE-255. CVSS score: 3.9/10. Published 2025-06-16.
- How severe is CVE-2025-6139?
- Low severity. CVSS v3 base score is 3.9 out of 10.