9.2
/ 10
CRITICAL
CVSS: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 systemβs use of plain HTTP for control-plane traffic, the construction enables broad request forgery and impersonation across the platform.
AI Analysis
Use of hard-coded cryptographic key enables request forgery and impersonation across the platform
Basic Information
ID
CVE-2026-28742
Source
icscert
Published
Jun 12, 2026 at 18:03
Modified
Jun 12, 2026 at 19:02
Affected Product
Vendor
Naxclow
Product
Smart Doorbell X3
Version
All
Affected Versions
Naxclow Smart Doorbell X3 All
Naxclow X Smart Home All
Naxclow V720 All
Naxclow ix cam All
Naxclow X Smart Home All
Naxclow V720 All
Naxclow ix cam All
CWE Classification
AI Assessment
AI Score
9.2 / 10
AI Severity
Critical
Vendor
Naxclow
Product
Smart Doorbell X3, X Smart Home, V720, ix cam
Version
All