MEDIUM
CVE-2023-1749
CWE-639Published: April 4, 2023· Updated: Jun 17, 2026
6.5
CVSS v3.1
Official Description
The listed versions of Nexx Smart Home devices lack proper access control when executing actions. An attacker with a valid NexxHome deviceId could send API requests that the affected devices would execute.
Technical Analysis
CVE-2023-1749 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 6.5.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Affected Vendors & Products
getnexx8 product(s)
nxal-100 firmwarenxal-100nxg-100b firmwarenxg-100bnxpg-100w firmwarenxpg-100wnxg-200 firmwarenxg-200
Source: NVD CPE · 8 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (2)
→
https://www.cisa.gov/news-events/ics-advisories/icsa-23-094-01Third Party Advisory · US Government Resource
→
https://www.cisa.gov/news-events/ics-advisories/icsa-23-094-01Third Party Advisory · US Government Resource
Quick Facts
CVE IDCVE-2023-1749
CVSS Score6.5 / 10
SeverityMEDIUM
WeaknessCWE-639
CISA KEVNo
Affected1 vendor(s)
PublishedApr 4, 2023
Related CVEs (CWE-639)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-1749 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.