How severe is CVE-2016-2309?

CVE-2016-2309 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-2309 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-2309?

CVE-2016-2309 affects Irz Ruh2. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-2309?

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-2016-2309 published?

CVE-2016-2309 was published on 2016-05-30 and last updated on 2026-06-17.

CVE-2016-2309

CVE-2016-2309 is a high-severity vulnerability in Irz Ruh2 with a CVSS 3.x base score of 7.2. 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-345.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v2: 8.0
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-345
Affected product: Irz Ruh2
Published: 2016-05-30
Last modified: 2026-06-17

Description

iRZ RUH2 before 2b does not validate firmware patches, which allows remote authenticated users to modify data or cause a denial of service via unspecified vectors.

Frequently asked questions

What is CVE-2016-2309?: iRZ RUH2 before 2b does not validate firmware patches, which allows remote authenticated users to modify data or cause a denial of service via unspecified vectors.
How severe is CVE-2016-2309?: CVE-2016-2309 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-2309 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-2309?: CVE-2016-2309 affects Irz Ruh2. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-2309?: 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-2016-2309 published?: CVE-2016-2309 was published on 2016-05-30 and last updated on 2026-06-17.

References

https://ics-cert.us-cert.gov/advisories/ICSA-16-138-01

Affected products (1)

cpe:2.3:h:irz:ruh2:*:*:*:*:*:*:*:*

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