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CVE-2026-7257

Quick assessment

Affected
Zyxel WRE6505 v2 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 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版本存在安全漏洞，该漏洞源于配置文件对敏感信息存储不安全，可能导致本地攻击者下载并解密备份配置文件。

CVSS 4.4 · Medium EPSS 0.15% · P4

Possible ATT&CK Techniques 1 AI

T1552.004 · Private Keys

Affected Version Matrix 1

VendorProduct Version RangeStatus
Zyxel WRE6505 v2 firmware V1.00(ABDV.3)C0 affected
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I. Basic Information for CVE-2026-7257

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
** UNSUPPORTED WHEN ASSIGNED ** An insecure storage of sensitive information vulnerability in the configuration file of Zyxel WRE6505 v2 firmware version V1.00(ABDV.3)C0 could allow a local attacker with administrator privileges to download and decrypt a backup configuration file.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
敏感信息的不安全存储
Source: CVE Program / CVE List V5
Vulnerability Title
Zyxel WRE6505 安全漏洞
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版本存在安全漏洞，该漏洞源于配置文件对敏感信息存储不安全，可能导致本地攻击者下载并解密备份配置文件。
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-2026-7257

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III. Intelligence Information for CVE-2026-7257

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Same Patch Batch · Zyxel · 2026-05-12 · 4 CVEs total

CVE-2026-7256 8.8 HIGH Zyxel WRE6505 操作系统命令注入漏洞
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

IV. Related Vulnerabilities

Same product: WRE6505 v2 firmware
Same vendor: Zyxel
Same weakness: CWE-922

V. Comments for CVE-2026-7257

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