SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2016-3988

Multiple stack-based buffer overflows 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…

HIGH 7.3EPSS 1.11%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.11%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Multiple stack-based buffer overflows 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 allow remote attackers to obtain sensitive information, modify data, or cause a denial of service via a crafted parameter in a POST request.

CVSS 3.0
7.3 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS
1.11% probability · 66th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-119
Affected
meinberg/ntp server firmware · meinberg/ims-lantime m1000 · meinberg/ims-lantime m3000 · meinberg/ims-lantime m500 · meinberg/lantime m100 · meinberg/lantime m200 · meinberg/lantime m300 · meinberg/lantime m400 · meinberg/lantime m600 · meinberg/lantime m900 · meinberg/lces · meinberg/syncfire 1100
Source
cve@mitre.org
EPSS trend
0%3%5%26 October 2026: 1.11%26 October 202626 October 2026

EPSS 1.1% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.