CVE-2021-26638 json
Xi Smarthome wallpad authentication bypass vulnerability
published 2022-06-22 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-13432
- cvss
- 7.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.8%
- EPSS 3.8% chance of exploitation in 30 days, percentile 90%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
3.79% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.3 | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
Affected products
- Xi S&D Inc. S&D smarthome (smartcare)
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
krcert.or.kr
/krcert/secNoticeView.do?bulletin_writing_sequence=66783
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2021-26638
- NVD CVE-2021-26638
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.