{"id":"CVE-2025-6139","title":"A vulnerability, which was classified as problematic, has been found in TOTOLINK T10 4.1.8cu.5207","summary":"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.…","severity":"low","cvss":3.9,"cvssVector":"CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L","cwe":["CWE-255","CWE-259"],"vendor":"totolink","product":"t10_firmware","affected":["t10_firmware = 4.1.8cu.5207_b20210320"],"published":"2025-06-16","updated":"2026-09-26","sourceUpdated":"2026-09-26T00:10:00.127","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-6139","references":[{"url":"https://candle-throne-f75.notion.site/TOTOLINK-T10-shadow-20ddf0aa118580f5a455cd5dbc521472","label":"cna@vuldb.com"},{"url":"https://vuldb.com/?ctiid.312608","label":"cna@vuldb.com"},{"url":"https://vuldb.com/?id.312608","label":"cna@vuldb.com"},{"url":"https://vuldb.com/?submit.592922","label":"cna@vuldb.com"},{"url":"https://www.totolink.net/","label":"cna@vuldb.com"}],"tags":["nvd"],"epss":0.00404,"epssPercentile":0.31912,"ingestedAt":"2026-09-26T00:22:39.864Z","slug":"CVE-2025-6139","body":"## Overview\n\nA 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.\n\n## Affected\n\n- `t10_firmware = 4.1.8cu.5207_b20210320`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":22,"depthScoreParts":{"impact":21.5,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}