CVE-2026-1460Network attack vector

Administrator command execution via DHCP DomainName injection

Published Apr 28, 2026 · Updated Apr 29, 2026

OS command injection in Zyxel DX3301-T0 and EX3301-T0 firmware 5.50(ABVY.7.1)C0 and earlier allows remote authenticated users to execute OS commands. DHCP configuration processing fails to neutralize OS command elements in the DomainName parameter before command execution. Exploitation requires administrator credentials; WAN access is disabled by default, so remote exposure depends on enabling WAN management.

CVSS severity7.2
High
EPSS probability1.16%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

OS command injection in Zyxel DX3301-T0 and EX3301-T0 firmware 5.50(ABVY.7.1)C0 and earlier allows remote authenticated users to execute OS commands. DHCP configuration processing fails to neutralize OS command elements in the DomainName parameter before command execution. Exploitation requires administrator credentials; WAN access is disabled by default, so remote exposure depends on enabling WAN management.

The record

CVE
CVE-2026-1460
Published
Apr 28, 2026
Updated
Apr 29, 2026
Vendor
Zyxel Networks
Product
EX3301-T0 firmware
Classifications
CWE-78, T1059
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Apr 28, 2026CVE publishedPublication date reported by the CVE source.
  2. Apr 29, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=<= 5.50(ABVY.7.1)C0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Zyxel Networks · EX3301-T0 firmwareversion=<= 5.50(ABVY.7.1)C0
Zyxel Networks · DX3301-T0 Firmwareversion=<= 5.50(ABVY.7.1)C0

Published CVSS scores

7.2ZyxelCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
T1059Command and Scripting Interpreter

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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