CVE-2026-0711: OS Command Injection

Q: What is the severity of CVE-2026-0711?

CVE-2026-0711 is classified as a high severity vulnerability due to its potential for exploitation by privileged attackers.

Q: How do I fix CVE-2026-0711?

To mitigate CVE-2026-0711, update the Zyxel DX3300-T0 firmware to the latest version beyond 5.50(ABVY.7.1)C0.

Q: Who is affected by CVE-2026-0711?

CVE-2026-0711 affects users of the Zyxel DX3300-T0 firmware versions up to 5.50(ABVY.7.1)C0 with administrator access.

Q: What type of attack can exploit CVE-2026-0711?

CVE-2026-0711 can be exploited through post-authentication command injection attacks by authenticated attackers.

Q: What are the potential impacts of CVE-2026-0711?

The impacts of CVE-2026-0711 include unauthorized command execution on the affected device, compromising system integrity.

Published Apr 28, 2026

Updated

A post-authentication command injection vulnerability in the EasyMesh-related APIs of Zyxel DX3300-T0 firmware versions through 5.50(ABVY.7.1)C0 could allow an authenticated, adjacent attacker with administrator privileges to execute OS commands on an affected device.

Affected Software

73 affected components

Zyxel DX3300-T0 firmware<=5.50(ABVY.7.1)C0

All of the following

Zyxel Nr5307 Firmware<2.00\(acjt.3\)c0

Zyxel Nr5307

All of the following

Zyxel Nebula Fwa515 Firmware<1.60\(acpz.0\)v0

Zyxel Nebula Fwa515

All of the following

Zyxel DX3300-T0 firmware<5.50\(abvy.7.2\)c0

Zyxel DX3300-T0

All of the following

Zyxel Dx3300-t1 Firmware<5.50\(abvy.7.2\)c0

Zyxel Dx3300-t1

All of the following

Zyxel DX3301-T0 firmware<5.50\(abvy.7.2\)c0

Zyxel DX3301-T0

All of the following

Zyxel DX5401-B0 firmware<5.17\(abyo.7.2\)c0

Zyxel DX5401-B0

All of the following

Zyxel Dx5401-b1 Firmware<5.17\(abyo.7.2\)c0

Zyxel Dx5401-b1

All of the following

Zyxel Ee3301-00 Firmware<5.63\(acmu.3.1\)c0

Zyxel Ee3301-00

All of the following

Zyxel Ee5301-00 Firmware<5.63\(acld.3.1\)c0

Zyxel Ee5301-00

All of the following

Zyxel Ee6510-10 Firmware<5.19\(acjq.4.2\)c0

Zyxel Ee6510-10

All of the following

Zyxel Emg3525-t50b Firmware<5.50\(abpm.9.8\)c0

Zyxel Emg3525-t50b

All of the following

Zyxel Emg5523-t50b Firmware<5.50\(abpm.9.8\)c0

Zyxel Emg5523-t50b

All of the following

Zyxel Ex3300-t0 Firmware<5.50\(abvy.7.2\)c0

Zyxel Ex3300-t0

All of the following

Zyxel Ex3300-t1 Firmware<5.50\(abvy.7.2\)c0

Zyxel Ex3300-t1

All of the following

Zyxel EX3301-T0 firmware<5.50\(abvy.7.2\)c0

Zyxel EX3301-T0

All of the following

Zyxel Ex3500-t0 Firmware<5.44\(achr.6\)c0

Zyxel Ex3500-t0

All of the following

Zyxel Ex3501-t0 Firmware<5.44\(achr.6\)c0

Zyxel Ex3501-t0

All of the following

Zyxel Ex3600-t0 Firmware<5.70\(acif.3\)c0

Zyxel Ex3600-t0

All of the following

Zyxel Ex5401-b0 Firmware<5.17\(abyo.7.2\)c0

Zyxel Ex5401-b0

All of the following

Zyxel Ex5401-b1 Firmware<5.17\(abyo.7.2\)c0

Zyxel Ex5401-b1

All of the following

Zyxel Ex5512-t0 Firmware<5.70\(aceg.5.5\)c0

Zyxel Ex5512-t0

All of the following

Zyxel Ex5601-t0 Firmware<5.70\(acdz.6\)c0

Zyxel Ex5601-t0

All of the following

Zyxel EX5601-T1 firmware<5.70\(acdz.6\)c0

Zyxel EX5601-T1

All of the following

Zyxel Ex7501-b0 Firmware<5.18\(achn.3.2\)c0

Zyxel Ex7501-b0

All of the following

Zyxel VMG3625-T50B firmware<5.50\(abpm.9.8\)c0

Zyxel VMG3625-T50B

All of the following

Zyxel Vmg8623-t50b Firmware<5.50\(abpm.9.8\)c0

Zyxel Vmg8623-t50b

All of the following

Zyxel AX7501-B0 firmware<5.17\(abpc.7.2\)c0

Zyxel AX7501-B0

All of the following

Zyxel AX7501-B1 firmware<5.17\(abpc.7.2\)c0

Zyxel AX7501-B1

All of the following

Zyxel Pe3301-00 Firmware<5.63\(acmt.3.1\)c0

Zyxel Pe3301-00

All of the following

Zyxel Pe5301-01 Firmware<5.63\(acoj.3.1\)c0

Zyxel Pe5301-01

All of the following

Zyxel Px5302-00 Firmware<5.44\(acnm.0.1\)c0

Zyxel Px5302-00

All of the following

Zyxel Px5301-t0 Firmware<5.44\(ackb.0.7\)c0

Zyxel Px5301-t0

All of the following

Zyxel We3300-00 Firmware<5.70\(acka.2\)c0

Zyxel We3300-00

All of the following

Zyxel WX3100-T0 firmware<5.50\(abvl.4.10\)c0

Zyxel WX3100-T0

All of the following

Zyxel We4600-00 Firmware<6.70\(ackt.1\)c0

Zyxel We4600-00

All of the following

Zyxel Wx5600-t0 Firmware<5.70\(aceb.6\)c0

Zyxel Wx5600-t0

Event History

Apr 28, 2026

CVE Published

via MITRE·01:57 AM

Data Sourced

via MITRE·01:57 AM

DescriptionSeverityWeakness

Data Sourced

via NVD·03:16 AM

DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

What is the severity of CVE-2026-0711?

CVE-2026-0711 is classified as a high severity vulnerability due to its potential for exploitation by privileged attackers.

How do I fix CVE-2026-0711?

To mitigate CVE-2026-0711, update the Zyxel DX3300-T0 firmware to the latest version beyond 5.50(ABVY.7.1)C0.

Who is affected by CVE-2026-0711?

CVE-2026-0711 affects users of the Zyxel DX3300-T0 firmware versions up to 5.50(ABVY.7.1)C0 with administrator access.

What type of attack can exploit CVE-2026-0711?

CVE-2026-0711 can be exploited through post-authentication command injection attacks by authenticated attackers.

What are the potential impacts of CVE-2026-0711?

The impacts of CVE-2026-0711 include unauthorized command execution on the affected device, compromising system integrity.

CVE-2026-0711: OS Command Injection

Affected Software

Event History

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Frequently Asked Questions

What is the severity of CVE-2026-0711?

How do I fix CVE-2026-0711?

Who is affected by CVE-2026-0711?

What type of attack can exploit CVE-2026-0711?

What are the potential impacts of CVE-2026-0711?

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