VULNERABILITY INTELLIGENCE
CVE-2026-28742
CVSS score9.2 CRITICAL
EPSS probability0.33%
CISA KEVNot currently listed
Published2026-06-12
Last modified2026-06-17
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Description
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.
Weakness classification
- CWE-321: Use of Hard-coded Cryptographic Key