CVE-2025-8761
INSTAR 2K+/4K Backend IPC Server denial of service
- State
- Published
- Severity
- 8.7 High
- Published
- Aug 13, 2025
- Updated
- Aug 13, 2025
- Reserved
- Aug 8, 2025
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 7.5 High | 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 | VulDB |
| 3.0 | 7.5 High | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:W/RC:R | VulDB |
| 2.0 | 7.8 High | AV:N/AC:L/Au:N/C:N/I:N/A:C/E:POC/RL:W/RC:UR | VulDB |
Weaknesses
- CWE-404 Denial of Service
Affected Products
| Product | Versions |
|---|---|
2K+INSTAR |
|
4KINSTAR |
|
References
- VDB-319864 | INSTAR 2K+/4K Backend IPC Server denial of servicevdb-entry
- VDB-319864 | CTI Indicators (IOB, IOC, TTP)signaturepermissions-required
- https://modzero.com/static/MZ-25-03_modzero_INSTAR.pdfexploit
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