PatchTheCVECVE-2020-7470: Sonoff TH 10 and 16 devices with firmware 6.6.0.21 allows XSS via the Friendly Name 1 field (after a successfu
CVE-2020-7470 is a medium-severity flaw (CVSS 4.8) affecting th10 firmware, th16 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Sonoff TH 10 and 16 devices with firmware 6.6.0.21 allows XSS via the Friendly Name 1 field (after a successful login with the Web Admin Password).
Why this priority
- Public exploit reference
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 4.8 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | High |
| User interaction | Required |
| EPSS exploit chance | 0.6% (top 53%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2020-01-21 |
| 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-2020-7470?
th10 firmware: mitigate or apply the listed mitigation; th16 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2020-7470 being exploited?
CVE-2020-7470 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-2020-7470 affect?
CVE-2020-7470 affects th10 firmware, th16 firmware. Severity is medium (CVSS 4.8). Sonoff TH 10 and 16 devices with firmware 6.6.0.21 allows XSS via the Friendly Name 1 field (after a successful login with the Web Admin Password).
How urgent is CVE-2020-7470?
Priority 34/100. Public exploit reference