PatchTheCVECVE-2021-47802: Tenda D151 and D301 routers contain an unauthenticated configuration download vulnerability that allows remote
CVE-2021-47802 is a high-severity flaw (CVSS 7.5) affecting d301 firmware, d151 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- High severity
- Public exploit reference
- Remotely exploitable, no login, no user action
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 7.5 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.7% (top 47%) |
| CISA exploited list | No |
| Weakness | CWE-306 |
| Published | 2026-01-21 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2021-47802?
d301 firmware: mitigate or apply the listed mitigation; d151 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2021-47802 being exploited?
CVE-2021-47802 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2021-47802 affect?
CVE-2021-47802 affects d301 firmware, d151 firmware. Severity is high (CVSS 7.5). 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 configura
How urgent is CVE-2021-47802?
Priority 50/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action