VulnerabilityAnalyzed

CVE-2025-2858

Privilege escalation vulnerability in the saTECH BCU firmware version 2.1.3.

HIGH 8.5EPSS 0.27%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.27%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 4.0: 8.5 HIGHCVSS: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/M
EPSS: 0.27% probability · 20th percentile
CISA KEV: Not listed
Weakness: CWE-269
Affected: arteche/satech bcu firmware
Source: cve-coordination@incibe.es

References

https://www.incibe.es/en/incibe-cert/notices/aviso-sci/multiple-vulnerabilities-arteches-satech-bcuThird Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.