Quick answers
- Is CVE-2026-75160 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-75160 being exploited in the wild.
- How severe is CVE-2026-75160?
- Critical severity, with a CVSS score of 9.1, published 4 September 2026.
- Which products and versions are affected?
- MBS GmbH X-Serie Gateway V6_00_05.
- Is there a fix for CVE-2026-75160?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-75160 attacked?
- It is attacked over the network, in a network appliance.
- Am I affected by CVE-2026-75160?
- Check whether you run MBS GmbH X-Serie Gateway at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
A privilege escalation vulnerability exists in the MBS X-Serie Gateway Firmware version V6_00_05 affecting the CGI endpoints /cgi-bin/wwwugw.cgi and /cgi-bin/ugwdownload.cgi. The vulnerability allows a remote, unauthenticated attacker to escalate privileges through these web-accessible endpoints without requiring prior authentication or user interaction. An attacker exploiting this flaw can achieve full administrative access to the gateway, enabling configuration tampering, protocol manipulation, or denial of service. The exact patch status and availability of firmware updates has not been disclosed in available advisory materials.
Affected products
- MBS GmbH X-Serie Gateway V6_00_05
Timeline
- 2026-09-04: disclosed