CVE-2026-1460

CVE-2026-1460 is a high-severity vulnerability in Zyxel Nebula Fwa70 Firmware with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

• Severity: High (CVSS 3.x base score 7.2)
• EPSS exploit prediction: 1% (66th percentile)
• Actively exploited: Not listed in CISA KEV
• EU (EUVD) id: EUVD-2026-25970
• Weakness: CWE-78
• Affected product: Zyxel Nebula Fwa70 Firmware
• Published: 2026-04-28
• Last modified: 2026-07-25

Description

A post-authentication command injection vulnerability in the “DomainName” parameter of the DHCP configuration file in Zyxel DX3301-T0 and EX3301-T0 firmware versions through 5.50(ABVY.7.1)C0 could allow an authenticated attacker with administrator privileges to execute OS commands on an affected device.

Frequently asked questions

What is CVE-2026-1460?

A post-authentication command injection vulnerability in the “DomainName” parameter of the DHCP configuration file in Zyxel DX3301-T0 and EX3301-T0 firmware versions through 5.50(ABVY.7.1)C0 could allow an authenticated attacker with administrator privileges to execute OS commands on an affected device.

How severe is CVE-2026-1460?

CVE-2026-1460 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-1460 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-1460?

CVE-2026-1460 primarily affects Zyxel Nebula Fwa70 Firmware. In total, 45 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-1460?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-1460 have an EU (EUVD) identifier?

Yes. CVE-2026-1460 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25970.

When was CVE-2026-1460 published?

CVE-2026-1460 was published on 2026-04-28 and last updated on 2026-07-25.

References

• https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-command-injection-vulnerabilities-in-certain-4g-lte-5g-nr-cpe-dsl-ethernet-cpe-fiber-onts-and-wireless-extenders-04-28-2026

Affected products (45)

• cpe:2.3:o:zyxel:nebula_fwa70_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:zyxel:nebula_fwa505_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:zyxel:nebula_fwa510_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:zyxel:nebula_fwa515_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:zyxel:nebula_fwa710_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:zyxel:nebula_lte3301-plus_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:zyxel:nebula_lte7461-m602_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:zyxel:nebula_nr5101_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:zyxel:nebula_nr7101_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:zyxel:dx3300-t0_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:zyxel:dx3300-t1_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:zyxel:dx3301-t0_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:zyxel:dx5401-b1_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:zyxel:ee3301-00_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:zyxel:ee5301-00_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:zyxel:ee6510-10_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:zyxel:emg3525-t50b_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:zyxel:emg5523-t50b_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:zyxel:ex2210-t0_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:zyxel:ex3300-t0_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:zyxel:ex3300-t1_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:zyxel:ex3301-t0_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:zyxel:ex3500-t0_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:zyxel:ex3501-t0_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:zyxel:ex3600-t0_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:zyxel:ex5401-b1_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:zyxel:ex5512-t0_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:zyxel:ex5601-t0_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:zyxel:ex5601-t1_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:zyxel:ex7501-b0_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:zyxel:ex7710-b0_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:zyxel:gm4100-b0_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:zyxel:vmg3625-t50b_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:zyxel:vmg4005-b50a_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:zyxel:vmg4005-b60a_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:zyxel:vmg8623-t50b_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:zyxel:am7510-00_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:zyxel:ax7501-b1_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:zyxel:pe3301-00_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:zyxel:pe5301-01_firmware:*:*:*:*:*:*:*:*

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