CVE-2025-2858
Privilege escalation vulnerability in saTECH BCU
Privilege escalation vulnerability in the saTECH BCU firmware version 2.1.3. An attacker with access to the CLI of the device could make use of the nice command to bypass all restrictions and elevate privileges as a superuser.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Privilege escalation vulnerability in saTECH BCU
Privilege escalation vulnerability in the saTECH BCU firmware version 2.1.3. An attacker with access to the CLI of the device could make use of the nice command to bypass all restrictions and elevate privileges as a superuser.
- Record
CVE-2025-2858- CVSS 4.0
- 8.5 High
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:L/SI:N/SA:L - Weakness
- CWE-269
- Updated
- 2026-11-02
EUVDEUVD-2025-8624
Privilege escalation vulnerability in the saTECH BCU firmware version 2.1.3. An attacker with access to the CLI of the device could make use of the nice command to bypass all restrictions and elevate privileges as a superuser.
- Record
EUVD-2025-8624- CVSS 4.0
- 8.5 High
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:L/SI:N/SA:L - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-74w3-v342-q9gv
Privilege escalation vulnerability in the saTECH BCU firmware version 2.1.3. An attacker with...
Privilege escalation vulnerability in the saTECH BCU firmware version 2.1.3. An attacker with access to the CLI of the device could make use of the nice command to bypass all restrictions and elevate privileges as a superuser.
- Record
GHSA-74w3-v342-q9gv- CVSS 4.0
- 8.5 High
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:L/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-269
- Updated
- 2026-11-02
NVD
Privilege escalation vulnerability in the saTECH BCU firmware version 2.1.3. An attacker with access to the CLI of the device could make use of the nice command to bypass all restrictions and elevate privileges as a superuser.
- Record
CVE-2025-2858- CVSS 4.0
- 8.5 High
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:L/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-269
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-2858 is a high vulnerability (CVSS 8.5) in Arteche Satech Bcu, published March 28, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.29%, the 21st percentile. No source names a fixed version.