Vulnerability in Mbs Double-A Profibus
CVE-2026-35075
An unauthenticated remote attacker can recover a default, hard coded password from a firmware image and thus gain full access to all affected devices.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (47.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.001
Affected products
- Mbs Double-A Profibus — versions V1_00_00, V1_0_0_0
- Mbs Double-A X-Link — versions V1_00_00, V1_0_0_0
- Mbs Double-X Can — versions V1_00_00, V1_0_0_0
- Mbs Double-X Dali — versions V1_00_00, V1_0_0_0
- Mbs Double-X Knx — versions V1_00_00, V1_0_0_0
- Mbs Double-X Lon — versions V1_00_00, V1_0_0_0
- Mbs Double-X M-Bus — versions V1_00_00, V1_0_0_0
- Mbs Double-X Profinet — versions V1_00_00, V1_0_0_0
- Mbs Double-X X-Link — versions V1_00_00, V1_0_0_0
- Mbs Single-A — versions V1_00_00, V1_0_0_0
Weakness classification (CWE)
References
- www.certvde.com/en/advisories/VDE-2026-039/ (Vendor Advisory)
Frequently asked questions
- What is CVE-2026-35075?
- CVE-2026-35075 is a critical-severity vulnerability in Mbs Double-A Profibus, classified under CWE-1393. CVSS score: 9.8/10. Published 2026-06-03.
- How severe is CVE-2026-35075?
- Critical severity. CVSS v3 base score is 9.8 out of 10.