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CVE-2026-1460

HIGH
7.2
CVSS Score
Published: April 28, 2026 at 02:06 AM UTC
Updated: July 25, 2026 at 11:21 AM UTC
90 products affected across 1 vendorEmg3525-t50b FirmwareEmg5523-t50b FirmwareVmg8623-t50b Firmware

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Severity
HIGH7.2
Exploit prediction
EPSS 1%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Am7510-00 Firmware· Zyxel
95%
v < 5.63(acor.0.2)c0
Affected range stops below 5.63(acor.0.2)c0, so it looks safe — our inference, not a vendor statement
zyxel-am7510-00 (same device)
Ax7501-b1 Firmware· Zyxel
95%
v < 5.17(abpc.7.2)c0
Affected range stops below 5.17(abpc.7.2)c0, so it looks safe — our inference, not a vendor statement
DX3300-T0 firmware· Zyxel
95%
v < 5.50(abvy.7.2)c0
Affected range stops below 5.50(abvy.7.2)c0, so it looks safe — our inference, not a vendor statement
zyxel-dx3300-t0 (same device)
DX3300-T1 firmware· Zyxel
95%
v < 5.50(abvy.7.2)c0
Affected range stops below 5.50(abvy.7.2)c0, so it looks safe — our inference, not a vendor statement
zyxel-dx3300-t1 (same device)
DX3301-T0 firmware· Zyxel
95%
v ≤ 5.50v < 5.50(abvy.7.2)c0
Affected range stops below 5.50(abvy.7.2)c0, so it looks safe — our inference, not a vendor statement
zyxel-dx3301-t0 (same device)
Dx5401-b1 Firmware· Zyxel
95%
v < 5.17(abyo.7.2)c0
Affected range stops below 5.17(abyo.7.2)c0, so it looks safe — our inference, not a vendor statement
zyxel-dx5401-b1 (same device)
Ee3301-00 Firmware· Zyxel
95%
v < 5.63(acmu.3.1)c0
Affected range stops below 5.63(acmu.3.1)c0, so it looks safe — our inference, not a vendor statement
zyxel-ee3301-00 (same device)
Ee5301-00 Firmware· Zyxel
95%
v < 5.63(acld.3.1)c0
Affected range stops below 5.63(acld.3.1)c0, so it looks safe — our inference, not a vendor statement
zyxel-ee5301-00 (same device)
Ee6510-10 Firmware· Zyxel
95%
v < 5.19(acjq.4.2)c0
Affected range stops below 5.19(acjq.4.2)c0, so it looks safe — our inference, not a vendor statement
zyxel-ee6510-10 (same device)
Emg3525-t50b Firmware· Zyxel
95%
v < 5.50(abpm.9.8)c0
Affected range stops below 5.50(abpm.9.8)c0, so it looks safe — our inference, not a vendor statement
zyxel-emg3525-t50b (same device)

References (1)

Vendor Advisory
Source: cverecord
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

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.2HIGHZyxel
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-78

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