PatchTheCVECVE-2021-26638: Improper Authentication vulnerability in S&D smarthome(smartcare) application can cause authentication bypass
CVE-2021-26638 is a high-severity flaw (CVSS 7.3) affecting s\&d smarthome. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Improper Authentication vulnerability in S&D smarthome(smartcare) application can cause authentication bypass and information exposure. Remote attackers can use this vulerability to take control of the home environment including indoor control.
Why this priority
- High severity
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.3 (High) |
| Attack vector | Adjacent network |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 3.8% (top 10%) |
| CISA exploited list | No |
| Weakness | CWE-287 |
| Published | 2022-06-23 |
| 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-2021-26638?
s\&d smarthome: upgrade to newer than 3.2.48. Exact commands for each OS are on this page.
Is CVE-2021-26638 being exploited?
CVE-2021-26638 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-2021-26638 affect?
CVE-2021-26638 affects s\&d smarthome. Severity is high (CVSS 7.3). Improper Authentication vulnerability in S&D smarthome(smartcare) application can cause authentication bypass and information exposure. Remote attackers can use this vulerability to take control of the home environment including indoor cont
How urgent is CVE-2021-26638?
Priority 48/100. High severity