Missing Integrity Check in Shelly TRV 20220811-152343/v2.1.8@5afc928c allows malicious…
Priority LOW 23CWE-354Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
Missing Integrity Check in Shelly TRV 20220811-152343/v2.1.8@5afc928c allows malicious users to create a backdoor by redirecting the device to an attacker-controlled machine which serves the manipulated firmware file. The device is updated with the manipulated firmware.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00155 4th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-42143
- 2026-10-03 Alias added: GHSA-4q7q-6wxm-5v68
References
More Shelly Trv Firmware vulnerabilities
- TI-2023-22508 Cleartext Transmission during initial setup in Shelly TRV 20220811-15234 v.2.1.8 allows a… CVSS 3.1MEDIUM 5.5
Sources
- CVE-2023-42143 · CVE Program
- CVE-2023-42143 · NVD
- FIRST EPSS
- GHSA-4q7q-6wxm-5v68 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences