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CVE-2026-35546· NVD / CVE Program· CNA icscert

Anviz Products Missing Authentication for Critical Function

Anviz CX2 Lite and CX7 are vulnerable to unauthenticated firmware uploads. This causes crafted archives to be accepted, enabling attackers to plant and execute code and obtain a reverse shell.

CriticalCVSS 9.8 · v3.1—No exploit No fix recorded

Noroxi analysis

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Published
Apr 17, 2026
Updated
Jun 17, 2026
EPSS
0.8% · 55th percentile
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Report tools

JSON

Action score

39

Monitor

Low priority for now.

CVSS
39 / 40 · 9.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.8%

CISA SSVC decision

Exploitation
none
Automatable
yes
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · icscert
9.8
NVD has not scored this yet; the score shown is the CNA’s.

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

VendorProduct
anvizcx7 firmware
anvizcx7
anvizcx2 lite firmware
anvizcx2 lite

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • anviz cx2 lite firmwareall versions
  • anviz cx7 firmwareall versions

Versions reported by the vendor

Affected version ranges reported by the assigning authority (icscert). Independent of NVD's CPE analysis and usually ahead of it.

  • Anviz Anviz CX2 Lite Firmware

    • All versionsaffected

  • Anviz Anviz CX7 Firmware

    • All versionsaffected

Same product

anviz: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-40066Anviz Products Download of Code Without Integrity Check
    35Monitor
  • CVE-2026-40461Anviz Products Missing Authentication for Critical Function
    30Monitor
  • CVE-2026-32324Anviz CX7 Firmware Use of Hard-coded Cryptographic Key
    30Monitor
  • CVE-2026-33569Anviz Products Cleartext Transmission of Sensitive Information
    26Monitor
  • CVE-2026-35061Anviz Products Missing Authorization
    21Monitor
  • CVE-2026-33093Anviz Products Missing Authorization
    21Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2026-404610 days apartAnviz Products Missing Authentication for Critical Function
    30Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

  • CVE-2026-400660 days apartAnviz Products Download of Code Without Integrity Check
    35Monitor
  • CVE-2026-319270 days apartAnviz CX7 Firmware Relative Path Traversal
    19Monitor

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-306 · Missing Authentication for Critical Function

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvd-secondary

Root cause

A function added for development or support ships to production without authentication. It often relies on the assumption that it is “only reachable from the internal network.”

The bug in code

The whole CWE-306 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

ts
// Added for the support teamapp.post("/maintenance/reset", resetDevice);

Fixed

ts
if (config.maintenanceEnabled) {  app.post(    "/maintenance/reset",    requireSession, requireRole("admin"), resetDevice  );}

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records