Vulnerability Details CVE-2026-29516
Buffalo TeraStation NAS TS5400R firmware version 4.02-0.06 and prior contain an excessive file permissions vulnerability that allows authenticated attackers to read the /etc/shadow file by uploading and executing a PHP file through the webserver. Attackers can exploit world-readable permissions on /etc/shadow to retrieve hashed passwords for all configured accounts including root.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 40.1%
CVSS Severity
CVSS v3 Score 4.9
References
Products affected by CVE-2026-29516
-
cpe:2.3:h:buffaloamericas:terastation_nas_ts5400r:-
-
cpe:2.3:o:buffaloamericas:terastation_nas_ts5400r_firmware:*