4.9Medium
CVE-2026-29516Buffalo TeraStation TS5400R Excessive File Permissions Information Disclosure
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.
Weakness (CWE):
CWE-732
Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.
Affected products and versions
| Vendor | Product | Versions | |
|---|---|---|---|
| Buffalo | TeraStation NAS TS5400R | ≤ 4.02-0.06 | |
| buffaloamericas | terastation nas ts5400r firmware | ≤ 4.02-0.06 |
References and patches
- https://buffaloamericas.com/ productProduct
- https://www.vulncheck.com/advisories/buffalo-terastation-ts5400r-excessive-file-permissions-information-disclosure third-party-advisoryThird Party Advisory
CPE matches (NVD) (1)
cpe:2.3:o:buffaloamericas:terastation_nas_ts5400r_firmware:*:*:*:*:*:*:*:*≤ 4.02-0.06