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CVE-2023-7219— 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，该漏洞源于文件/cgi-bin/cstecgi.cgi的函数loginAuth存在缓冲区溢出漏洞。

CVSS 7.2 · High EPSS 1.30% · P69

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-7219

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 has been found in Totolink N350RT 9.3.5u.6139_B202012 and classified as critical. Affected by this vulnerability is the function loginAuth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument http_host leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-249853 was assigned to this vulnerability. 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，该漏洞源于文件/cgi-bin/cstecgi.cgi的函数loginAuth存在缓冲区溢出漏洞。
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 N350RT 9.3.5u.6139_B202012 -

II. Public POCs for CVE-2023-7219

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III. Intelligence Information for CVE-2023-7219

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Vendor Advisories for CVE-2023-7219 (2)

Other References for CVE-2023-7219 (1)

Same Patch Batch · Totolink · 2024-01-09 · 5 CVEs total

CVE-2023-7221 9.8 CRITICAL Totolink T6 HTTP POST Request main buffer overflow
CVE-2023-7220 9.8 CRITICAL Totolink NR1800X cstecgi.cgi loginAuth stack-based overflow
CVE-2023-7222 7.2 HIGH Totolink X2000R HTTP POST Request boa formTmultiAP buffer overflow
CVE-2023-7223 5.3 MEDIUM Totolink T6 cstecgi.cgi access control

IV. Related Vulnerabilities

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

V. Comments for CVE-2023-7219

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