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CVE-2024-7331— TOTOLINK A3300R cstecgi.cgi UploadCustomModule buffer overflow

CVSS 8.8 · High EPSS 1.20% · P64
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I. Basic Information for CVE-2024-7331

Vulnerability Information
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Vulnerability Title
TOTOLINK A3300R cstecgi.cgi UploadCustomModule buffer overflow
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was found in TOTOLINK A3300R 17.0.0cu.557_B20221024 and classified as critical. Affected by this issue is the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument File leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-273254 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
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 A3300R 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TOTOLINK A3300R是中国吉翁电子（TOTOLINK）公司的一款无线路由器。 TOTOLINK A3300R 17.0.0cu.557_B20221024版本存在安全漏洞，该漏洞源于函数UploadCustomModule /cgi-bin/cstecgi.cgi的参数File会导致缓冲区溢出。
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
TOTOLINKA3300R 17.0.0cu.557_B20221024 -

II. Public POCs for CVE-2024-7331

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 8706 chars
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III. Intelligence Information for CVE-2024-7331

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Vendor Advisories for CVE-2024-7331 (3)

Other References for CVE-2024-7331 (1)

Same Patch Batch · TOTOLINK · 2024-08-01 · 8 CVEs total

CVE-2024-73329.8 CRITICALTOTOLINK CP450 Telnet Service product.ini hard-coded password
CVE-2024-73338.8 HIGHTOTOLINK N350RT cstecgi.cgi setParentalRules buffer overflow
CVE-2024-73348.8 HIGHTOTOLINK EX1200L cstecgi.cgi UploadCustomModule buffer overflow
CVE-2024-73358.8 HIGHTOTOLINK EX200 getSaveConfig buffer overflow
CVE-2024-73368.8 HIGHTOTOLINK EX200 cstecgi.cgi loginauth buffer overflow
CVE-2024-73378.8 HIGHTOTOLINK EX1200L cstecgi.cgi loginauth buffer overflow
CVE-2024-73388.8 HIGHTOTOLINK EX1200L cstecgi.cgi setParentalRules buffer overflow

IV. Related Vulnerabilities

Same product: A3300R
Same vendor: TOTOLINK
Same weakness: CWE-120

V. Comments for CVE-2024-7331

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