CVE-2026-29516 (GCVE-0-2026-29516)
Vulnerability from cvelistv5 – Published: 2026-03-16 19:07 – Updated: 2026-05-11 23:11 Unsupported When Assigned
VLAI
EPSS
VEX
Title
Buffalo TeraStation TS5400R Excessive File Permissions Information Disclosure
Summary
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.
Severity
4.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-16 20:08 UTC
CWE
- CWE-732 - Incorrect Permission Assignment for Critical Resource
Assigner
VulnCheck
CNA
References
2 references
| URL | Tags |
|---|---|
| https://buffaloamericas.com/ | product |
| https://www.vulncheck.com/advisories/buffalo-tera… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Buffalo | TeraStation NAS TS5400R |
Affected:
0 , ≤ 4.02-0.06
(custom)
|
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