An issue in X-Serie Gateway Firmware V6_00_05 allows a remote attacker to escalate privileges via the endpoints /cgi-bin/wwwugw.cgi and /cgi-bin/ugwdownload.cgi.
https://github.com/SilviaMun/vulnerability-research/tree/main/CVE-2026-75160
https://en.mbs-solutions.de/xserie
https://en.mbs-solutions.de/mbs
Source: Mitre, NVD
Published: 2026-09-04
Updated: 2026-09-08
Base Score: 9.4
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:N
Severity: High
Base Score: 9.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Severity: Critical
EPSS: 0.0043