Investigate in your agent.

Turn this advisory into a focused investigation. Ask your agent to check your project’s versions, explain the evidence, and suggest a compatible fix.

Your agent needs remote MCP support and access to https://cve.new/mcp.

Read the setup guide

Skip to content
cve.newCreate a CVE report
Check your stack
CVE-2026-95377

OS command injection via DHCP option 66 in Zenitel EdgeAudioClient TFTP provisioning

Products / packages Zenitel VSFF6 · Zenitel VSFF8 · Zenitel VSFF8MP · 2 more

Published

Share

Severity and exploitation

Not in CISA KEV

KEV coverage does not rule out exploitation.

KEV checked 14/11/2026, 21:15:32 UTC
Zenitel · CVSS:4.0 · 9.4
Assessment vectorCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/S:P/AU:Y

Severity

critical9.4

CVSS measures technical severity, not the likelihood of an attack.

Known exploitation

Not listed in the checked CISA KEV catalog

Absence from CISA KEV does not rule out attacks.

Public exploit

Not established by this record

Missing evidence does not mean no public exploit exists.

Remediation

Source guidance available

Review the recorded instructions. Guidance may be a workaround rather than a fixed version.

What this means

Zenitel EdgeAudioClient before 9.6.3.0 and 10.x before 10.1.3.0 on certain devices allows unauthenticated adjacent attackers to execute arbitrary commands via a crafted DHCP option 66 value. The weakness is due to improper neutralization of special elements used in an OS command. Affected devices use DHCP by default.

Summarized by @cf/meta/llama-3.3-70b-instruct-fp8-fast. Verify details against the original sources.

Attack conditions

No attack-condition excerpt has been identified here. Review the full source description and references for authentication, network access, and configuration requirements.

Review supporting sources →

Affected versions

Check the exact model, release, and any platform requirements against your installation.

Zenitel · Zenitel

VSFF6

2 ranges
Zenitel version evidence
Platforms: Linux, ARM, 32 bit

Compare with this publisher’s ranges. This does not inspect your installation.

affected

0 → before 9.6.3.0

custom versions

10.0.0.0 → before 10.1.3.0

custom versions

unaffected

unknown

Other versions: unaffected

Zenitel · Zenitel

VSFF8

2 ranges
Zenitel version evidence
Platforms: Linux, ARM, 64 bit

Compare with this publisher’s ranges. This does not inspect your installation.

affected

0 → before 9.6.3.0

custom versions

10.0.0.0 → before 10.1.3.0

custom versions

unaffected

unknown

Other versions: unaffected

Zenitel · Zenitel

VSFF8MP

2 ranges
Zenitel version evidence
Platforms: Linux, ARM, 64 bit

Compare with this publisher’s ranges. This does not inspect your installation.

affected

0 → before 9.6.3.0

custom versions

10.0.0.0 → before 10.1.3.0

custom versions

unaffected

unknown

Other versions: unaffected

Zenitel · Zenitel

VSFF8MN

2 ranges
Zenitel version evidence
Platforms: Linux, ARM, 64 bit

Compare with this publisher’s ranges. This does not inspect your installation.

affected

0 → before 9.6.3.0

custom versions

10.0.0.0 → before 10.1.3.0

custom versions

unaffected

unknown

Other versions: unaffected

Zenitel · Zenitel

VSFT

2 ranges
Zenitel version evidence
Platforms: Linux, ARM, 32 bit

Compare with this publisher’s ranges. This does not inspect your installation.

affected

0 → before 9.6.3.0

custom versions

10.0.0.0 → before 10.1.3.0

custom versions

unaffected

unknown

Other versions: unaffected

Automatic dependency matching is unavailable for this record. Use the product evidence and publisher’s instructions to check your installation.

What to do

Compare your installed product and version with the affected versions above. A matching product name alone does not confirm exposure.

Affected devices should upgrade to version 9.6.3.0 (and newer) or 10.1.3.0 (and newer) depending on environment.

Zenitel guidance ↗

cve.new guidance unless attributed to a publisher. This page does not inspect your installation.

Public exploit evidence

No public exploit reference is identified in the imported evidence. This is not a claim that no exploit exists.

Original source description

Read the full publisher description

OS command injection in the TFTP provisioning module of Zenitel EdgeAudioClient before 9.6.3.0, and 10.x before 10.1.3.0, on VSFF6, VSFF8, VSFF8MP, VSFF8MN, and VSFT devices allows unauthenticated adjacent attackers to execute arbitrary commands as root via a crafted DHCP option 66 (TFTP Server Name) value supplied by a rogue DHCP server on the same network segment. The DHCP-supplied value is passed to a shell without sanitization. Devices using DHCP, the default configuration, are affected on every boot and lease renewal.

The same injection is also reachable via the config_update_tftp_server and sw_update_tftp_server configuration fields by an attacker able to modify the device configuration.

References

1 sources
www.zenitel.com/sites/default/files/2026-11/A100K12404-Zenitel-Security-Advisory.pdf
Security advisoryZenitel

Inside the record

Evidence available

Package identity · not supplied
Version evidence
Remediation guidance
Weakness classification
Additional publishers

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2026-95377

View the latest unmodified CVE JSON from the official source. It may be newer than this imported page.

cve.new JSON →

Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-78 ↗

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Zenitel

Related →
Contributing organizations · 2
Zenitel

Assigning organization

2026-11-13
CISA-ADP

Additional data publisher

2026-11-13

Timeline

All times UTC

  1. Advisory published

    Publication date supplied by the source.

  2. Source updated

    Latest modification date supplied by the source.

  3. Last imported by cve.new

    Latest catalog import, not the date we first saw this advisory.

What changed

Follow changes
No substantive changes have been recorded here yet. History starts when cve.new observes a change after tracking is enabled; earlier edits are not reconstructed.

Large field values are marked as truncated previews. Original source snapshots remain retained.