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CVE-2026-0711

Quick assessment

Affected
Zyxel DX3300-T0 firmware
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Zyxel DX3300-T0是中国合勤（Zyxel）公司的一个小型无线WiFi路由器。 Zyxel DX3300-T0 5.50(ABVY.7.1)C0及之前版本存在操作系统命令注入漏洞，该漏洞源于EasyMesh相关API中存在命令注入漏洞，可能导致经过身份验证的相邻攻击者执行OS命令。

CVSS 6.8 · Medium EPSS 0.85% · P55

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 1

VendorProduct Version RangeStatus
Zyxel DX3300-T0 firmware <= 5.50(ABVY.7.1)C0 affected
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I. Basic Information for CVE-2026-0711

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Zyxel DX3300-T0 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zyxel DX3300-T0是中国合勤（Zyxel）公司的一个小型无线WiFi路由器。 Zyxel DX3300-T0 5.50(ABVY.7.1)C0及之前版本存在操作系统命令注入漏洞，该漏洞源于EasyMesh相关API中存在命令注入漏洞，可能导致经过身份验证的相邻攻击者执行OS命令。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Zyxel DX3300-T0 firmware <= 5.50(ABVY.7.1)C0 -

II. Public POCs for CVE-2026-0711

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-0711

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Vendor Advisories for CVE-2026-0711 (1)

IV. Related Vulnerabilities

Same product: DX3300-T0 firmware
Same vendor: Zyxel
Same weakness: CWE-78

V. Comments for CVE-2026-0711

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