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I. Basic Information for CVE-2026-7218
Vulnerability Information
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Vulnerability Title
Totolink N300RT libapmib.so formWsc is_cmd_string_valid buffer overflow
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was detected in Totolink N300RT 3.4.0-B20250430. The impacted element is the function is_cmd_string_valid of the file /boafrm/formWsc of the component libapmib.so. Performing a manipulation of the argument localPin results in buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may be used.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/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)
Affected Products
VendorProductAffected VersionsCPESubscribe
TotolinkN300RT 3.4.0-B20250430 cpe:2.3:o:totolink:n300rt_firmware:*:*:*:*:*:*:*:*
II. Public POCs for CVE-2026-7218
#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 15080 chars
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III. Intelligence Information for CVE-2026-7218
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IV. Related Vulnerabilities
Same product: N300RT
Same vendor: Totolink
Same weakness: CWE-120
V. Comments for CVE-2026-7218

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