CVE Tools
Sign in

CVE-2026-40434

Anviz CrossChex Standard Improper Verification of Source of a Communication Channel

Published: Apr 17, 2026Updated: May 4, 2026 Sources: CVE List NVD csafCWE-940
NVD MITRE
8.1CVSSHIGH
EPSS Score
0.2%
Top 86.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Workaround Only

Description

Anviz CrossChex Standard lacks source verification in the client/server channel, enabling TCP packet injection by an attacker on the same network to alter or disrupt application traffic.

CVSS Vector Breakdown

AV:AAC:LPR:NUI:NS:UC:NI:HA:H
Exploitability
AV:AAttack Vector
Adjacent
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-940

Affected Products

crosschex standardanviz
Embedded
ICS / OT / IoT / ip-camera-nvr
Anviz CrossChex StandardAnviz
Embedded
ICS / OT / IoT / ip-camera-nvr
anvizcommercialICS / OT / IoTaka anviz cx7 firmware, cx7 firmware, anviz cx2 lite firmware

Exploitability

Workaround Available

References

https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-106-03.json
github.com
https://www.anviz.com/contact-us.html
anviz.com
https://www.cisa.gov/news-events/ics-advisories/icsa-26-106-03
cisa.gov
and 49 more references View all →

Timeline

Published
Apr 17, 2026
Last Updated
May 4, 2026

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2026-40434 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows