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CVE-2025-7553— D-Link DIR-818LW System Time Page os command injection

Quick assessment

Affected
D-Link DIR-818LW
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.

D-Link DIR-818LW是中国友讯（D-Link）公司的一款无线路由器。 D-Link DIR-818LW 20191215及之前版本存在安全漏洞，该漏洞源于对组件System Time Page中参数NTP Server的错误操作导致os命令注入。

CVSS 4.7 · Medium EPSS 3.79% · P89

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-7553

Vulnerability Information
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Vulnerability Title
D-Link DIR-818LW System Time Page os command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability classified as critical has been found in D-Link DIR-818LW up to 20191215. This affects an unknown part of the component System Time Page. The manipulation of the argument NTP Server leads to os command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
D-Link DIR-818LW 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
D-Link DIR-818LW是中国友讯（D-Link）公司的一款无线路由器。 D-Link DIR-818LW 20191215及之前版本存在安全漏洞，该漏洞源于对组件System Time Page中参数NTP Server的错误操作导致os命令注入。
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
D-Link DIR-818LW 20191215 -

II. Public POCs for CVE-2025-7553

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III. Intelligence Information for CVE-2025-7553

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Vendor Pages for CVE-2025-7553 (1)

IV. Related Vulnerabilities

Same product: DIR-818LW
Same vendor: D-Link
Same weakness: CWE-78

V. Comments for CVE-2025-7553

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