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CVE-2023-7218— Totolink N350RT cstecgi.cgi loginAuth stack-based overflow

Quick assessment

Affected
Totolink N350RT
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

TOTOLINK N350RT是中国吉翁电子（TOTOLINK）公司的一款小型家用路由器。 TOTOLINK N350RT 9.3.5u.6139_B202012 版本存在安全漏洞，该漏洞源于对 /cgi-bin/cstecgi.cgi 页面的 loginAuth 函数的 password 参数的操作会导致基于堆栈的缓冲区溢出。

CVSS 7.2 · High EPSS 1.27% · P69
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I. Basic Information for CVE-2023-7218

Vulnerability Information
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Vulnerability Title
Totolink N350RT cstecgi.cgi loginAuth stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability, which was classified as critical, was found in Totolink N350RT 9.3.5u.6139_B202012. Affected is the function loginAuth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument password leads to stack-based buffer overflow. It is possible to launch the attack remotely. The identifier of this vulnerability is VDB-249852. 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:H/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 N350RT 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TOTOLINK N350RT是中国吉翁电子（TOTOLINK）公司的一款小型家用路由器。 TOTOLINK N350RT 9.3.5u.6139_B202012 版本存在安全漏洞，该漏洞源于对 /cgi-bin/cstecgi.cgi 页面的 loginAuth 函数的 password 参数的操作会导致基于堆栈的缓冲区溢出。
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

Vendor Product Affected Versions CPE Subscribe
Totolink N350RT 9.3.5u.6139_B202012 -

II. Public POCs for CVE-2023-7218

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III. Intelligence Information for CVE-2023-7218

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Vendor Advisories for CVE-2023-7218 (2)

Other References for CVE-2023-7218 (1)

Same Patch Batch · Totolink · 2024-01-08 · 10 CVEs total

CVE-2024-0294 7.3 HIGH Totolink LR1200GB cstecgi.cgi setUssd os command injection
CVE-2024-0295 7.3 HIGH Totolink LR1200GB cstecgi.cgi setWanCfg os command injection
CVE-2024-0296 7.3 HIGH Totolink N200RE cstecgi.cgi NTPSyncWithHost os command injection
CVE-2024-0297 7.3 HIGH Totolink N200RE cstecgi.cgi UploadFirmwareFile os command injection
CVE-2024-0298 7.3 HIGH Totolink N200RE cstecgi.cgi setDiagnosisCfg os command injection
CVE-2024-0299 7.3 HIGH Totolink N200RE cstecgi.cgi setTracerouteCfg os command injection
CVE-2024-0291 6.3 MEDIUM Totolink LR1200GB cstecgi.cgi UploadFirmwareFile command injection
CVE-2024-0292 6.3 MEDIUM Totolink LR1200GB cstecgi.cgi setOpModeCfg os command injection
CVE-2024-0293 6.3 MEDIUM Totolink LR1200GB cstecgi.cgi setUploadSetting os command injection

IV. Related Vulnerabilities

Same product: N350RT
Same vendor: Totolink
Same weakness: CWE-121

V. Comments for CVE-2023-7218

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