Vulnerability · Published Aug 29, 2025 · Assigned by VulnCheck
CVE-2025-34165NetSupport Manager < 14.12.0000 Stack-Based Buffer Overflow
High 8.8
In plain English
A high-severity stack buffer overflow in NetSupport Manager from NetSupport Ltd.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).
Severity (CVSS 4.0)8.8High
Exploit odds (30 days)0.5%top 57.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A stack-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 potentially leak a limited amount of memory.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| NetSupport Ltd. | NetSupport Manager | 14.0 – before 14.12.0000 |
Weakness: CWE-121 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
References
- https://www.netsupportmanager.com/ product
- https://www.vulncheck.com/advisories/netsupport-client-manager-buffer-overflows third-party-advisory