CVE-2025-6073

Stack Buffer Overflow in MQTTCore

HIGH
7.5
CVSS Score
Published: July 3, 2025 at 04:49 PM UTC
Updated: June 17, 2026 at 10:01 AM UTC
2 products affected across 1 vendorRMC-100RMC-100-LITE

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Severity
HIGH7.5
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

Stack-based Buffer Overflow vulnerability in ABB RMC-100, ABB RMC-100 LITE. When the REST interface is enabled by the user, and an attacker gains access to the control network, and user/password broker authentication is enabled, and CVE-2025-6074 is exploited, the attacker can overflow the buffer for username or password. This issue affects RMC-100: from 2105457-043 through 2105457-045; RMC-100 LITE: from 2106229-015 through 2106229-016.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

2105457-43 ≤ v ≤ 2105457-0452105457-43
2106229-15 ≤ v ≤ 2106229-0162106229-15

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHABB
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-121

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