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Critical 9.3Published Aug 29, 2025

CVE-2025-34164NetSupport Manager < 14.12.0000 Heap-Based Buffer Overflow

Updated under an hour ago ()

Does this affect you?

It affects NetSupport Ltd. NetSupport Manager. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

A heap-based buffer overflow vulnerability in NetSupport Manager 14.x versions prior to 14.12.0000 allows a remote, unauthenticated attacker to cause a denial of service (DoS) or execute arbitrary code.

CVSS
9.3 CRITICAL (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Weakness (CWE)
CWE-122
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
VulnCheck
NVD analysis
Deferred
Record last updated
May 13, 2026
First seen by InfoSec Signals
Oct 18, 2026

Affected products

Affected products
NetSupport Ltd. NetSupport Manager
netsupport:manager (from the name)
from 14.0 before 14.12.0000
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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