How severe is CVE-2016-3962?

CVE-2016-3962 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2016-3962 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-3962?

CVE-2016-3962 primarily affects Meinberg Ntp Server Firmware. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-3962?

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-2016-3962 published?

CVE-2016-3962 was published on 2016-07-03 and last updated on 2026-06-17.

CVE-2016-3962

CVE-2016-3962 is a high-severity vulnerability in Meinberg Ntp Server Firmware with a CVSS 3.x base score of 7.3. 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-119.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 7.5
EPSS exploit prediction: 5% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Meinberg Ntp Server Firmware
Published: 2016-07-03
Last modified: 2026-06-17

Description

Stack-based buffer overflow in the NTP time-server interface on Meinberg IMS-LANTIME M3000, IMS-LANTIME M1000, IMS-LANTIME M500, LANTIME M900, LANTIME M600, LANTIME M400, LANTIME M300, LANTIME M200, LANTIME M100, SyncFire 1100, and LCES devices with firmware before 6.20.004 allows remote attackers to obtain sensitive information, modify data, or cause a denial of service via a crafted parameter in a POST request.

Frequently asked questions

What is CVE-2016-3962?: Stack-based buffer overflow in the NTP time-server interface on Meinberg IMS-LANTIME M3000, IMS-LANTIME M1000, IMS-LANTIME M500, LANTIME M900, LANTIME M600, LANTIME M400, LANTIME M300, LANTIME M200, LANTIME M100, SyncFire 1100, and LCES devices with firmware before 6.20.004 allows remote attackers to obtain sensitive information, modify data, or cause a denial of service via a crafted parameter in a POST request.
How severe is CVE-2016-3962?: CVE-2016-3962 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2016-3962 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-3962?: CVE-2016-3962 primarily affects Meinberg Ntp Server Firmware. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-3962?: 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-2016-3962 published?: CVE-2016-3962 was published on 2016-07-03 and last updated on 2026-06-17.

References

Affected products (12)

cpe:2.3:o:meinberg:ntp_server_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:meinberg:ims-lantime_m1000:-:*:*:*:*:*:*:*
cpe:2.3:h:meinberg:ims-lantime_m3000:-:*:*:*:*:*:*:*
cpe:2.3:h:meinberg:ims-lantime_m500:-:*:*:*:*:*:*:*
cpe:2.3:h:meinberg:lantime_m100:-:*:*:*:*:*:*:*
cpe:2.3:h:meinberg:lantime_m200:-:*:*:*:*:*:*:*
cpe:2.3:h:meinberg:lantime_m300:-:*:*:*:*:*:*:*
cpe:2.3:h:meinberg:lantime_m400:-:*:*:*:*:*:*:*
cpe:2.3:h:meinberg:lantime_m600:-:*:*:*:*:*:*:*
cpe:2.3:h:meinberg:lantime_m900:-:*:*:*:*:*:*:*
cpe:2.3:h:meinberg:lces:-:*:*:*:*:*:*:*
cpe:2.3:h:meinberg:syncfire_1100:-:*:*:*:*:*:*:*

More vulnerabilities in Meinberg Ntp Server Firmware

CVE-2016-3989 — High (CVSS 8.1): The NTP time-server interface on Meinberg IMS-LANTIME M3000, IMS-LANTIME M1000, IMS-LANTIME M500, LANTIME M900, LANTIME…
CVE-2014-5417 — High (CVSS 7.5): Cross-site scripting (XSS) vulnerability in Meinberg NTP Server firmware on LANTIME M-Series devices 6.15.019 and…
CVE-2016-3988 — High (CVSS 7.3): Multiple stack-based buffer overflows in the NTP time-server interface on Meinberg IMS-LANTIME M3000, IMS-LANTIME…

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