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CVE-2026-10187— Totolink N300RH Web Management wireless.so setWiFiBasicConfig stack-based overflow

Quick assessment

Affected
Totolink N300RH
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

TOTOLINK N300RH是中国吉翁电子（TOTOLINK）公司的一款长距离无线路由器。 Totolink N300RH 6.1c.1353_B20190305版本存在安全漏洞，该漏洞源于Web Management Interface组件中文件wireless.so的函数setWiFiBasicConfig的参数KeyStr导致栈缓冲区溢出，可能允许远程攻击。

CVSS 9.8 · Critical EPSS 7.34% · P94

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Totolink N300RH 6.1c.1353_B20190305 affected
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I. Basic Information for CVE-2026-10187

Vulnerability Information
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Vulnerability Title
Totolink N300RH Web Management wireless.so setWiFiBasicConfig stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was detected in Totolink N300RH 6.1c.1353_B20190305. Affected by this issue is the function setWiFiBasicConfig of the file wireless.so of the component Web Management Interface. Performing a manipulation of the argument KeyStr results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
TOTOLINK N300RH 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TOTOLINK N300RH是中国吉翁电子（TOTOLINK）公司的一款长距离无线路由器。 Totolink N300RH 6.1c.1353_B20190305版本存在安全漏洞，该漏洞源于Web Management Interface组件中文件wireless.so的函数setWiFiBasicConfig的参数KeyStr导致栈缓冲区溢出，可能允许远程攻击。
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
Totolink N300RH 6.1c.1353_B20190305 cpe:2.3:o:totolink:n300rh_firmware:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-10187

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III. Intelligence Information for CVE-2026-10187

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Other References for CVE-2026-10187 (1)

IV. Related Vulnerabilities

Same product: N300RH
Same vendor: Totolink
Same weakness: CWE-121

V. Comments for CVE-2026-10187

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