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CVE-2024-5243— TP-Link Omada ER605 Buffer Overflow Remote Code Execution Vulnerability

EPSS 1.60% · P82
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I. Basic Information for CVE-2024-5243

Vulnerability Information
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Vulnerability Title
TP-Link Omada ER605 Buffer Overflow Remote Code Execution Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
TP-Link Omada ER605 Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link Omada ER605 routers. Authentication is not required to exploit this vulnerability. However, devices are vulnerable only if configured to use the Comexe DDNS service. The specific flaw exists within the handling of DNS names. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-22523.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
Vulnerability Title
TP-Link Omada ER605 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TP-LINK Omada ER605是中国普联（TP-LINK）公司的一款VPN路由器。 TP-Link Omada ER605 存在安全漏洞，该漏洞源于存在基于堆栈的缓冲区溢出导致远程代码执行。
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

VendorProductAffected VersionsCPESubscribe
TP-LinkOmada ER605 2.6_2.2.2 Build 20231017 -

II. Public POCs for CVE-2024-5243

#POC DescriptionSource LinkShenlong Link
1Pre-authentication Remote Code Execution exploit for TP-Link Omada ER605 router via DDNS client daemon (cmxddnsd)https://github.com/redpack-kr/CVE-2024-5243-pwn2own-toronto-2023POC Details
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III. Intelligence Information for CVE-2024-5243

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Same Patch Batch · TP-Link · 2024-05-23 · 5 CVEs total

CVE-2024-5244TP-Link Omada ER605 Reliance on Security Through Obscurity Vulnerability
CVE-2024-5227TP-Link Omada ER605 PPTP VPN username Command Injection Remote Code Execution Vulnerabilit
CVE-2024-5242TP-Link Omada ER605 Stack-based Buffer Overflow Remote Code Execution Vulnerability
CVE-2024-5228TP-Link Omada ER605 Comexe DDNS Response Handling Heap-based Buffer Overflow Remote Code

IV. Related Vulnerabilities

Same product: Omada ER605
Same vendor: TP-Link
Same weakness: CWE-120

V. Comments for CVE-2024-5243

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