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CVE-2024-7212— TOTOLINK A7000R cstecgi.cgi loginauth buffer overflow

Quick assessment

Affected
TOTOLINK A7000R
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

TOTOLINK A7000R是中国吉翁电子（TOTOLINK）公司的一款无线路由器。 TOTOLINK A7000R 9.1.0u.6268_B20220504 版本存在安全漏洞，该漏洞源于 /cgi-bin/cstecgi.cgi 页面的 loginauth 函数中的 password 参数包含一个缓冲区溢出漏洞。

CVSS 8.8 · High EPSS 1.02% · P62
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I. Basic Information for CVE-2024-7212

Vulnerability Information
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Vulnerability Title
TOTOLINK A7000R cstecgi.cgi loginauth buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability, which was classified as critical, has been found in TOTOLINK A7000R 9.1.0u.6268_B20220504. This issue affects the function loginauth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument password leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-272783. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
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: CVE Program / CVE List V5
Vulnerability Title
TOTOLINK A7000R 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TOTOLINK A7000R是中国吉翁电子（TOTOLINK）公司的一款无线路由器。 TOTOLINK A7000R 9.1.0u.6268_B20220504 版本存在安全漏洞，该漏洞源于 /cgi-bin/cstecgi.cgi 页面的 loginauth 函数中的 password 参数包含一个缓冲区溢出漏洞。
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 A7000R 9.1.0u.6268_B20220504 -

II. Public POCs for CVE-2024-7212

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 8402 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
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III. Intelligence Information for CVE-2024-7212

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Vendor Advisories for CVE-2024-7212 (3)

Other References for CVE-2024-7212 (1)

Same Patch Batch · TOTOLINK · 2024-07-30 · 6 CVEs total

CVE-2024-7213 8.8 HIGH TOTOLINK A7000R cstecgi.cgi setWizardCfg buffer overflow
CVE-2024-7214 6.3 MEDIUM TOTOLINK LR350 cstecgi.cgi setWanCfg command injection
CVE-2024-7215 6.3 MEDIUM TOTOLINK LR1200 cstecgi.cgi NTPSyncWithHost command injection
CVE-2024-7217 6.3 MEDIUM TOTOLINK CA300-PoE cstecgi.cgi loginauth buffer overflow
CVE-2024-7216 2.6 LOW TOTOLINK LR1200 shadow.sample hard-coded password

IV. Related Vulnerabilities

Same product: A7000R
Same vendor: TOTOLINK
Same weakness: CWE-120

V. Comments for CVE-2024-7212

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