Naxclow IoT Platform Use of hard-coded cryptographic key
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-321.
Summary
Naxclow devices use a uniform request-signing scheme based on a hard-coded, platform-wide salt embedded in every firmware image. Once this salt is recovered from any device, an attacker can generate valid signatures for arbitrary device or account operations due to the absence of per-device keys, server-side nonce tracking, or replay protections. Combined with the system’s use of plain HTTP for control-plane traffic, the construction enables broad request forgery and impersonation across the platform.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-28742
- 2026-10-03 Alias added: GHSA-j3pq-62hg-9x25
References
More Naxclow vulnerabilities
- TI-2026-36892 Naxclow IoT Platform Missing Authorization CVSS 4.0HIGH 8.7
- TI-2026-36888 Naxclow IoT Platform Not using password aging CVSS 4.0CRITICAL 9.2
- TI-2026-31138 Naxclow IoT Platform Authorization bypass through User-Controlled key CVSS 4.0HIGH 8.7
- TI-2026-36993 Naxclow IoT Platform Missing Authorization CVSS 4.0MEDIUM 6.9
- TI-2026-31129 Naxclow IoT Platform Generation of Predictable Numbers or Identifiers CVSS 4.0MEDIUM 6.9
- TI-2026-36886 Naxclow IoT Platform Insertion of sensitive information into Externally-Accessible file or directory CVSS 4.0MEDIUM 5.1
Sources
- CVE-2026-28742 · CVE Program
- CVE-2026-28742 · NVD
- FIRST EPSS
- GHSA-j3pq-62hg-9x25 · 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