Vulnerability · Published Aug 13, 2025 · Assigned by VulDB
CVE-2025-8761INSTAR 2K+/4K Backend IPC Server denial of service
High 7.5
In plain English
A high-severity security flaw in 2K+ from INSTAR. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 9.1% (higher than 95% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)9.1%top 4.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A vulnerability has been found in INSTAR 2K+ and 4K 3.11.1 Build 1124. This vulnerability affects unknown code of the component Backend IPC Server. The manipulation leads to denial of service. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
Affected products (as reported)
Weakness: CWE-404 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:W/RC:R
References
- VDB-319864 | INSTAR 2K+/4K Backend IPC Server denial of service vdb-entry
- VDB-319864 | CTI Indicators (IOB, IOC, TTP) signature, permissions-required
- https://modzero.com/static/MZ-25-03_modzero_INSTAR.pdf exploit