Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2023-28769

Quick assessment

Affected
Zyxel DX5401-B0 firmware
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Zyxel DX5401-B0是中国合勤（Zyxel）公司的一款无线增强设备。 Zyxel DX5401-B0 V5.17(ABYO.1)C0固件版本存在安全漏洞，该漏洞源于zhttpd的库libclinkc.so中存在缓冲区溢出。攻击者利用该漏洞可以执行某些操作系统命令或在易受攻击的设备上造成拒绝服务 (DoS) 情况。

CVSS 9.8 · Critical EPSS 5.42% · P92

Public Exploits 1

Metasploit · 1 zyxel_multiple_devices_zhttp_lan_rce.rb [exploit]
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2023-28769

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The buffer overflow vulnerability in the library “libclinkc.so” of the web server “zhttpd” in Zyxel DX5401-B0 firmware versions prior to V5.17(ABYO.1)C0 could allow a remote unauthenticated attacker to execute some OS commands or to cause denial-of-service (DoS) conditions on a vulnerable device.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/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
Zyxel DX5401-B0 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zyxel DX5401-B0是中国合勤（Zyxel）公司的一款无线增强设备。 Zyxel DX5401-B0 V5.17(ABYO.1)C0固件版本存在安全漏洞，该漏洞源于zhttpd的库libclinkc.so中存在缓冲区溢出。攻击者利用该漏洞可以执行某些操作系统命令或在易受攻击的设备上造成拒绝服务 (DoS) 情况。
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)

Shenlong Deep Dive — AI Deep Analysis

10-question deep dive: root cause, exploitation, mitigation, urgency. Read summary free, full version requires login.

Read summary Full analysis (login)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Zyxel DX5401-B0 firmware < V5.17(ABYO.1)C0 -

II. Public POCs for CVE-2023-28769

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2023-28769

请登录查看更多情报信息。

Other References for CVE-2023-28769 (1)

IV. Related Vulnerabilities

Same product: DX5401-B0 firmware
Same vendor: Zyxel
Same weakness: CWE-120

V. Comments for CVE-2023-28769

No comments yet

Leave a comment