Cyber Resilience

CVE-2026-35077

HighUpdated

Published: 03 June 2026

Published
03 June 2026
Modified
17 June 2026
KEV Added
—
Patch
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CVSS Score v4 7.2 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS Score 0.0037 29.0th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-35077 is a high-severity External Control of File Name or Path (CWE-73) vulnerability in Mbs-Solutions Universal Gateway Firmware. Its CVSS base score is 7.2 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique File Deletion (T1070.004); ranked at the 29.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

A06:2025 Insecure Design

EU & UK References

Vulnerability details

The ugw-delete-file method allows a remote attacker with user privileges to delete arbitrary local files due to insufficient validation of user-controlled input.

CWE(s)
CWE-73

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1070.004 File Deletion Stealth
Adversaries may delete files left behind by the actions of their intrusion activity.
attack.mitre.org →
Why these techniques?

Arbitrary file deletion via insufficient input validation on ugw-delete-file directly enables T1070.004.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2026-35078Same product: Mbs-Solutions Double-A Profibus
CVE-2026-35080Same product: Mbs-Solutions Double-A Profibus
CVE-2026-35079Same product: Mbs-Solutions Double-A Profibus
CVE-2026-35076Same product: Mbs-Solutions Double-A Profibus
CVE-2026-35075Same product: Mbs-Solutions Double-A Profibus
CVE-2026-35085Same product: Mbs-Solutions Double-A Profibus
CVE-2026-35082Same product: Mbs-Solutions Double-A Profibus
CVE-2026-35081Same product: Mbs-Solutions Double-A Profibus
CVE-2026-35084Same product: Mbs-Solutions Double-A Profibus
CVE-2026-35083Same product: Mbs-Solutions Double-A Profibus

Affected Assets

mbs-solutions
universal gateway firmware
≤ 6_00_07

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SI-10 Information Input Validation
addresses: CWE-73

Rejects externally supplied file or resource identifiers that fail validity checks.

References