CVE-2016-5680

Exp

Stack-based buffer overflow in cgi-bin/cgi_main in NUUO NVRmini 2 1.7.6 through 3.0.0 and NETGEAR ReadyNAS Surveillance 1.1.2 allows remote authenticated users to execute arbitrary code via the sn parameter to the transfer_license command.

Published: 2016-08-31 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2016-5680 is rated High Exploit Risk (89.1/100): CVSS High severity, with high exploitation likelihood (EPSS 33.30%, 97th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +23.14% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2016-5680

EDB-ID Source Kind Published Link
40200 exploit_db edb 2016-08-05 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2016-5680

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 2025-08-21 10.16% 33.30% +23.14%
2 2025-03-30 24.96% 10.16% -14.80%
3 2025-03-29 24.96%

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2016-5680

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.8 3.0 HIGH
CVSS:3.0/AV:N/AC:L/PR:L/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:L)
A normal user session is enough; they don’t have to be admin.
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.
2.8 5.9 [email protected]
9.0 2.0 HIGH
AV:N/AC:L/Au:S/C:C/I:C/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:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
8.0 10.0 [email protected]

Weakness enumeration for CVE-2016-5680

Affected software / configurations for CVE-2016-5680

Vendor Product Version Raw CPE
nuuo nvrmini_2 1.7.6 cpe:2.3:o:nuuo:nvrmini_2:1.7.6:*:*:*:*:*:*:*
nuuo nvrmini_2 2.0.0 cpe:2.3:o:nuuo:nvrmini_2:2.0.0:*:*:*:*:*:*:*
nuuo nvrmini_2 2.2.1 cpe:2.3:o:nuuo:nvrmini_2:2.2.1:*:*:*:*:*:*:*
nuuo nvrmini_2 3.0.0 cpe:2.3:o:nuuo:nvrmini_2:3.0.0:*:*:*:*:*:*:*
netgear readynas_surveillance 1.1.2 cpe:2.3:a:netgear:readynas_surveillance:1.1.2:*:*:*:*:*:*:*

References for CVE-2016-5680

cvelogic Threat Intelligence