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I. Basic Information for CVE-2026-1686
Vulnerability Information

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Vulnerability Title
Totolink A3600R app.so setAppEasyWizardConfig buffer overflow
Source: NVD (National Vulnerability Database)
Vulnerability Description
A security flaw has been discovered in Totolink A3600R 5.9c.4959. This issue affects the function setAppEasyWizardConfig in the library /lib/cste_modules/app.so. Performing a manipulation of the argument apcliSsid results in buffer overflow. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: NVD (National Vulnerability Database)
Vulnerability Title
TOTOLINK A3600R 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TOTOLINK A3600R是中国吉翁电子(TOTOLINK)公司的一款 6 天线 1200M 无线路由器。 TOTOLINK A3600R 5.9c.4959版本存在安全漏洞,该漏洞源于/lib/cste_modules/app.so库中setAppEasyWizardConfig函数对参数apcliSsid的操作导致缓冲区溢出,可能导致远程代码执行。
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
VendorProductAffected VersionsCPESubscribe
TotolinkA3600R 5.9c.4959 cpe:2.3:o:totolink:a3600r_firmware:*:*:*:*:*:*:*:*
II. Public POCs for CVE-2026-1686
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III. Intelligence Information for CVE-2026-1686
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IV. Related Vulnerabilities
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