Stack Buffer Overflow in System Software Allows Root Access

Publication date: 2026-06-03

Last updated on: 2026-07-03

Assigner: CERT VDE

Description

A remote attacker with user privileges can exploit a stack buffer overflow to gain full system access as root.

CVSS Scores

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Meta Information

Published

2026-06-03

Last Modified

2026-07-03

Generated

2026-07-14

AI Q&A

2026-06-03

EPSS Evaluated

2026-07-12

NVD

CVE-2026-35083

EUVD

EUVD-2026-34079

Affected Vendors & Products

Vendor	Product	Version / Range
mbs-solutions	universal_gateway_firmware	to 6_00_07 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-121	A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

Attack-Flow Graph

Executive Summary

This vulnerability is a stack buffer overflow that can be exploited remotely by an attacker who already has user-level privileges. By exploiting this flaw, the attacker can escalate their privileges and gain full system access with root-level permissions.

Impact Analysis

The impact of this vulnerability is severe because it allows an attacker with limited user privileges to gain complete control over the affected system as root. This means the attacker can execute arbitrary code, access sensitive data, modify system configurations, and potentially disrupt system operations.

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