CVE-2025-6139: TOTOLINK T10 shadow.sample hard-coded password

Severity: low (CVSS 3.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-06-16 · updated 2026-09-26
Weakness: CWE-255

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.

Affected products

TOTOLINK T10: 4.1.8cu.5207_b20210320

References

https://candle-throne-f75.notion.site/TOTOLINK-T10-shadow-20ddf0aa118580f5a455cd5dbc521472
https://vuldb.com/?ctiid.312608
https://vuldb.com/?id.312608
https://vuldb.com/?submit.592922
https://www.totolink.net/

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