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Vulnerability Details :

CVE-2026-28742

Summary
Assigner-icscert
Assigner Org ID-7d14cffa-0d7d-4270-9dc0-52cabd5a23a6
Published At-12 Jun, 2026 | 18:03
Updated At-12 Jun, 2026 | 19:02
Rejected At-
Credits

Naxclow IoT Platform Use of hard-coded cryptographic key

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:icscert
Assigner Org ID:7d14cffa-0d7d-4270-9dc0-52cabd5a23a6
Published At:12 Jun, 2026 | 18:03
Updated At:12 Jun, 2026 | 19:02
Rejected At:
▼CVE Numbering Authority (CNA)
Naxclow IoT Platform Use of hard-coded cryptographic key

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.

Affected Products
Vendor
Naxclow
Product
Smart Doorbell X3
Default Status
unaffected
Versions
Affected
  • All
Vendor
Naxclow
Product
X Smart Home
Default Status
unaffected
Versions
Affected
  • All
Vendor
Naxclow
Product
V720
Default Status
unaffected
Versions
Affected
  • All
Vendor
Naxclow
Product
ix cam
Default Status
unaffected
Versions
Affected
  • All
Problem Types
TypeCWE IDDescription
CWECWE-321CWE-321 Use of hard-coded cryptographic key
Type: CWE
CWE ID: CWE-321
Description: CWE-321 Use of hard-coded cryptographic key
Metrics
VersionBase scoreBase severityVector
4.09.2CRITICAL
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
3.19.8CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Version: 4.0
Base score: 9.2
Base severity: CRITICAL
Vector:
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
Version: 3.1
Base score: 9.8
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Naxclow did not respond to CISA's attempts to coordinate these vulnerabilities. Users should contact Naxclow for more information.

Configurations

Workarounds

Exploits

Credits

finder
Temuri Takalandze reported this vulnerability to CISA.
Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://www.cisa.gov/news-events/ics-advisories/icsa-26-162-02
N/A
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-162-02.json
N/A
Hyperlink: https://www.cisa.gov/news-events/ics-advisories/icsa-26-162-02
Resource: N/A
Hyperlink: https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-162-02.json
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:ics-cert@hq.dhs.gov
Published At:12 Jun, 2026 | 19:16
Updated At:12 Jun, 2026 | 19:16

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.09.2CRITICAL
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Secondary3.19.8CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
Version: 4.0
Base score: 9.2
Base severity: CRITICAL
Vector:
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Secondary
Version: 3.1
Base score: 9.8
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CPE Matches

Weaknesses
CWE IDTypeSource
CWE-321Primaryics-cert@hq.dhs.gov
CWE ID: CWE-321
Type: Primary
Source: ics-cert@hq.dhs.gov
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-162-02.jsonics-cert@hq.dhs.gov
N/A
https://www.cisa.gov/news-events/ics-advisories/icsa-26-162-02ics-cert@hq.dhs.gov
N/A
Hyperlink: https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-162-02.json
Source: ics-cert@hq.dhs.gov
Resource: N/A
Hyperlink: https://www.cisa.gov/news-events/ics-advisories/icsa-26-162-02
Source: ics-cert@hq.dhs.gov
Resource: N/A

Change History

0
Information is not available yet

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