High severity · published Jul 3, 2025
CVE-2025-6073
Stack Buffer Overflow in MQTTCore
7.5
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 36% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RM
RMC-100 · ABB
2105457-043 through 2105457-045 · source: vendor
RL
RMC-100 LITE · ABB
2106229-015 through 2106229-016 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-6073
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-6073
search.abb.com
https://search.abb.com/library/Download.aspx?DocumentID=9AKK108471A3623&LanguageCode=en&DocumentPartId=PDF&Action=Launch
More from RMC-100
7.5
CVE-2025-6072
Stack Buffer Overflow in MQTTCore
6.5
CVE-2025-6074
Authentication Bypass to the MQTT configuration Web Interface
5.3
CVE-2025-6071
Hard Coded Key used for AES encryption