CVE-2025-6139

Description

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.

CVSS v3.1 Score

3.9

LOW

CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L

Weakness Type (CWE)

CWE-255 CWE-255

CWE-259 CWE-259

Affected Products

Vendor	Product	Versions
totolink	t10_firmware	All
totolink	t10	All

References

Exploits

https://candle-throne-f75.notion.site/TOTOLINK-T10-shadow-20ddf0aa118580f5a455cd5dbc521472

Other References

https://vuldb.com/?ctiid.312608 https://vuldb.com/?id.312608 https://vuldb.com/?submit.592922 https://www.totolink.net/

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 3.9 (LOW).

How severe is CVE-2025-6139? +

CVE-2025-6139 has a CVSS v3.1 score of 3.9 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

What products are affected by CVE-2025-6139? +

CVE-2025-6139 affects products from totolink, specifically: t10, t10_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-6139? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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