Stack Buffer Overflow in MQTTCore
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-6073
- 2026-10-03 Alias added: GHSA-rmg9-687h-jx4v
References
More ABB vulnerabilities
- TI-2019-03985 ABB MicroSCADA Pro SYS600 Missing Authentication for Critical Function CVSS 3.1CRITICAL 9.8
- TI-2019-05127 The ABB IDAL HTTP server is vulnerable to a buffer overflow when a long Host header is… CVSS 3.1HIGH 8.8
- TI-2024-05845 Remote code execution in ABB ASPECT-Enterprise CVSS 4.0CRITICAL 9.4
- TI-2024-34459 Service control in ABB ASPECT-Enterprise CVSS 4.0HIGH 8.8
- TI-2024-05758 unauthorized file access CVSS 4.0CRITICAL 9.4
- TI-2022-00806 ABB Flow Computer and Remote Controllers Path Traversal Vulnerability in Totalflow TCP protocol can lead to root access CVSS 3.1CRITICAL 9.8
Sources
- CVE-2025-6073 · CVE Program
- CVE-2025-6073 · NVD
- FIRST EPSS
- GHSA-rmg9-687h-jx4v · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences