CVE-2026-29516

MEDIUM

4.9

Description

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.

CVE Details

CVSS v3.1 Score4.9

SeverityMEDIUM

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredHIGH

User InteractionNONE

Published3/16/2026

Last Modified3/17/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-732

References

https://buffaloamericas.com/(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/buffalo-terastation-ts5400r-excessive-file-permissions-information-disclosure(disclosure@vulncheck.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.