PatchTheCVECVE-2021-3555: A Buffer Overflow vulnerability in the RSTP server component of Eufy Indoor 2K Indoor Camera allows a local at
CVE-2021-3555 is a high-severity flaw (CVSS 7.6) affecting solo indoorcam c24 firmware, solo indoorcam p24 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A Buffer Overflow vulnerability in the RSTP server component of Eufy Indoor 2K Indoor Camera allows a local attacker to achieve remote code execution. This issue affects: Eufy Indoor 2K Indoor Camera 2.0.9.3 version and prior versions.
Why this priority
- High severity
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.6 (High) |
| Attack vector | Adjacent network |
| Attack complexity | High |
| Privileges needed | High |
| User interaction | None |
| EPSS exploit chance | 0.9% (top 41%) |
| CISA exploited list | No |
| Weakness | CWE-120 |
| Published | 2022-05-31 |
| 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-2021-3555?
solo indoorcam c24 firmware: upgrade to newer than 2.0.9.3; solo indoorcam p24 firmware: upgrade to newer than 2.0.9.3. Exact commands for each OS are on this page.
Is CVE-2021-3555 being exploited?
CVE-2021-3555 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-2021-3555 affect?
CVE-2021-3555 affects solo indoorcam c24 firmware, solo indoorcam p24 firmware. Severity is high (CVSS 7.6). A Buffer Overflow vulnerability in the RSTP server component of Eufy Indoor 2K Indoor Camera allows a local attacker to achieve remote code execution. This issue affects: Eufy Indoor 2K Indoor Camera 2.0.9.3 version and prior versions.
How urgent is CVE-2021-3555?
Priority 46/100. High severity; Public exploit reference