CVE-2025-41761: high-severity vulnerability in MBS UBR-01 Mk II
Privilege escalation possible
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.8epss 0.2%
A low‑privileged local attacker who gains access to the UBR service account (e.g., via SSH) can escalate privileges to obtain full system access. This is due to the service account being permitted to execute certain binaries (e.g., tcpdump and ip) with sudo.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Related CVEs — MBS UBR-01 Mk II
In the same product, most dangerous first.
CVE-2025-41758HIGHArbitrary Write with wwwupload.cgiEPSS 0.6%CVE-2025-41757HIGHArbitrary Write with ubr-restoreEPSS 0.6%CVE-2025-41755MEDIUMArbitrary Read with ubr-logreadEPSS 0.6%CVE-2025-41766HIGHStack buffer overflow on parsing web requestEPSS 0.5%CVE-2025-41764CRITICALUnchecked role in wwwupdate.cgiEPSS 0.4%CVE-2025-41754MEDIUMArbitrary Read with ubr-editfileEPSS 0.4%