How severe is CVE-2026-35075?

CVE-2026-35075 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-35075 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-35075?

CVE-2026-35075 affects Mbs-solutions Universal Gateway Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-35075?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-35075 have an EU (EUVD) identifier?

Yes. CVE-2026-35075 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34071.

When was CVE-2026-35075 published?

CVE-2026-35075 was published on 2026-06-03 and last updated on 2026-07-03.

CVE-2026-35075

CVE-2026-35075 is a critical-severity vulnerability in Mbs-solutions Universal Gateway Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1393.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 9.3
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-34071
Weakness: CWE-1393
Affected product: Mbs-solutions Universal Gateway Firmware
Published: 2026-06-03
Last modified: 2026-07-03

Description

An unauthenticated remote attacker can recover a default, hard coded password from a firmware image and thus gain full access to all affected devices.

Frequently asked questions

What is 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.
How severe is CVE-2026-35075?: CVE-2026-35075 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-35075 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-35075?: CVE-2026-35075 affects Mbs-solutions Universal Gateway Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-35075?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-35075 have an EU (EUVD) identifier?: Yes. CVE-2026-35075 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34071.
When was CVE-2026-35075 published?: CVE-2026-35075 was published on 2026-06-03 and last updated on 2026-07-03.

References

https://www.certvde.com/en/advisories/VDE-2026-039/

Affected products (1)

cpe:2.3:o:mbs-solutions:universal_gateway_firmware:*:*:*:*:*:*:*:*

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