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VULNERABILITIES

CVE-2026-29516 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:4.9 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://buffaloamericas.com/ [email protected]Product
https://www.vulncheck.com/advisories/buffalo-terastation-ts5400r-excessive-file-permissions-information-disclosure [email protected]Third Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-732Incorrect Permission Assignment for Critical Resource[email protected]

Affected Products

ProductVersions
buffaloamericas terastation nas ts5400r firmware
<= 4.02-0.06

CPE

  • cpe:2.3:o:buffaloamericas:terastation_nas_ts5400r_firmware:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
buffaloamericas terastation nas ts5400r
All versions

CPE

  • cpe:2.3:h:buffaloamericas:terastation_nas_ts5400r:-:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-29516
NVD Published Date:
Mar 16, 2026
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2026-29516 Details - Not Deferred