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CVE-2023-2790— TOTOLINK N200RE Telnet Service custom.conf password in configuration file

Quick assessment

Affected
TOTOLINK N200RE
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 N200RE是中国吉翁电子（TOTOLINK）公司的一个路由器。 TOTOLINK N200RE 9.3.5u.6255_B20211224版本存在安全漏洞，该漏洞源于Telnet 服务组件中的squashfs-root/etc_ro/custom.conf 存在未知功能，导致配置文件中的密码泄露。

CVSS 2.3 · Low EPSS 0.28% · P18

Possible ATT&CK Techniques 1 AI

T1552.001 · Credentials In Files
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I. Basic Information for CVE-2023-2790

Vulnerability Information
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Vulnerability Title
TOTOLINK N200RE Telnet Service custom.conf password in configuration file
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability classified as problematic has been found in TOTOLINK N200RE 9.3.5u.6255_B20211224. Affected is an unknown function of the file /squashfs-root/etc_ro/custom.conf of the component Telnet Service. The manipulation leads to password in configuration file. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. VDB-229374 is the identifier 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:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
配置文件中存储口令
Source: CVE Program / CVE List V5
Vulnerability Title
TOTOLINK N200RE 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TOTOLINK N200RE是中国吉翁电子（TOTOLINK）公司的一个路由器。 TOTOLINK N200RE 9.3.5u.6255_B20211224版本存在安全漏洞，该漏洞源于Telnet 服务组件中的squashfs-root/etc_ro/custom.conf 存在未知功能，导致配置文件中的密码泄露。
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 N200RE 9.3.5u.6255_B20211224 -

II. Public POCs for CVE-2023-2790

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III. Intelligence Information for CVE-2023-2790

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Vendor Advisories for CVE-2023-2790 (2)

Other References for CVE-2023-2790 (1)

IV. Related Vulnerabilities

Same product: N200RE
Same vendor: TOTOLINK
Same weakness: CWE-260

V. Comments for CVE-2023-2790

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