What is CVE-2018-13321?

CVE-2018-13321 is a high-severity vulnerability in Buffalo Ts5600d1206, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 8.8/10. Published 2018-11-26.

How severe is CVE-2018-13321?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Buffalo Ts5600d1206

CVE-2018-13321

Incorrect access controls in nasapi in Buffalo TS5600D1206 version 3.61-0.10 allow attackers to call dangerous internal functions via the "method" parameter.

Published 2018-11-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (61.1th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 61.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Buffalo Ts5600d1206
Buffalo Ts5600d1206 Firmware — versions 3.61-0.10

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

References

blog.securityevaluators.com/buffalo-terastation-ts5600d1206-nas-cve-disclosure-… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-13321?: CVE-2018-13321 is a high-severity vulnerability in Buffalo Ts5600d1206, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 8.8/10. Published 2018-11-26.
How severe is CVE-2018-13321?: High severity. CVSS v3 base score is 8.8 out of 10.