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.

Published: 2016-05-30 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2016-2309 is rated Moderate Risk (40.1/100): CVSS High severity, with low exploitation likelihood (EPSS 0.12%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2016-2309

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-07-05 0.20% 0.12% -0.08%
2 2025-03-30 0.11% 0.20% +0.10%
3 2025-03-29 — 0.11% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2016-2309

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.2 3.0 HIGH
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:H)
They need powerful rights—admin, root, or similar—before this pays off.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 1.2 5.9 [email protected]
8.0 2.0 HIGH
AV:N/AC:L/Au:S/C:P/I:P/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:C)
Complete availability impact.
 8.0 8.5 [email protected]

Weakness enumeration for CVE-2016-2309

Affected software / configurations for CVE-2016-2309

Vendor Product Version Raw CPE
irz ruh2 <= - cpe:2.3:h:irz:ruh2:*:*:*:*:*:*:*:*

References for CVE-2016-2309

URL Tags
https://ics-cert.us-cert.gov/advisories/ICSA-16-138-01 Third Party Advisory US Government Resource
cvelogic Threat Intelligence