CVE-2026-7256
Possible ATT&CK Techniques 1AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Zyxel | WRE6505 v2 firmware | V1.00(ABDV.3)C0 | affected |
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I. Basic Information for CVE-2026-7256
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
** UNSUPPORTED WHEN ASSIGNED ** A command injection vulnerability in the CGI program of Zyxel WRE6505 v2 firmware version V1.00(ABDV.3)C0 could allow an adjacent attacker on the LAN to execute operating system (OS) commands on a vulnerable device by sending a crafted HTTP request.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
Vulnerability Title
Zyxel WRE6505 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zyxel WRE6505是中国合勤（Zyxel）公司的一款无线信号扩展设备。 Zyxel WRE6505 v2 V1.00(ABDV.3)C0版本存在操作系统命令注入漏洞，该漏洞源于CGI程序存在命令注入，可能导致相邻攻击者通过发送特制HTTP请求执行操作系统命令。
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 | WRE6505 v2 firmware | V1.00(ABDV.3)C0 | - |
II. Public POCs for CVE-2026-7256
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Zyxel · 2026-05-12 · 4 CVEs total
| CVE-2026-7287 | 7.5 HIGH | Zyxel NWA1100-N 安全漏洞 |
| CVE-2026-7255 | 6.5 MEDIUM | Zyxel WRE6505 安全漏洞 |
| CVE-2026-7257 | 4.4 MEDIUM | Zyxel WRE6505 安全漏洞 |
IV. Related Vulnerabilities
Same weakness: CWE-78
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V. Comments for CVE-2026-7256
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