How severe is CVE-2018-13321?

CVE-2018-13321 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-13321 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-13321?

CVE-2018-13321 affects Buffalo Ts5600d1206 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-13321?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-13321 published?

CVE-2018-13321 was published on 2018-11-26 and last updated on 2026-06-17.

CVE-2018-13321

CVE-2018-13321 is a high-severity vulnerability in Buffalo Ts5600d1206 Firmware with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-732.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-732
Affected product: Buffalo Ts5600d1206 Firmware
Published: 2018-11-26
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is 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.
How severe is CVE-2018-13321?: CVE-2018-13321 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-13321 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-13321?: CVE-2018-13321 affects Buffalo Ts5600d1206 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-13321?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-13321 published?: CVE-2018-13321 was published on 2018-11-26 and last updated on 2026-06-17.

References

https://blog.securityevaluators.com/buffalo-terastation-ts5600d1206-nas-cve-disclosure-ab5d159f036d

Affected products (1)

cpe:2.3:o:buffalo:ts5600d1206_firmware:3.61-0.10:*:*:*:*:*:*:*

More vulnerabilities in Buffalo Ts5600d1206 Firmware

CVE-2018-13324 — Critical (CVSS 9.8): Incorrect access control in nasapi in Buffalo TS5600D1206 version 3.61-0.10 allows attackers to bypass authentication…
CVE-2018-13319 — High (CVSS 7.5): Incorrect access control in get_portal_info in Buffalo TS5600D1206 version 3.61-0.10 allows attackers to determine…
CVE-2018-13320 — High (CVSS 7.2): System Command Injection in network.set_auth_settings in Buffalo TS5600D1206 version 3.70-0.10 allows attackers to…
CVE-2018-13318 — High (CVSS 7.2): System command injection in User.create method in Buffalo TS5600D1206 version 3.61-0.10 allows attackers to execute…
CVE-2018-13322 — Medium (CVSS 6.5): Directory traversal in list_folders method in Buffalo TS5600D1206 version 3.61-0.10 allows attackers to list directory…
CVE-2018-13323 — Medium (CVSS 6.1): Cross-site scripting in detail.html in Buffalo TS5600D1206 version 3.61-0.10 allows attackers to execute JavaScript via…

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