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CVE-2025-8956— D-Link DIR‑818L ssdpcgi cgibin getenv command injection

Quick assessment

Affected
D-Link DIR‑818L
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.

D-Link DIR-818L是中国友讯（D-Link）公司的一个WiFi路由器。 D-Link DIR-818L 1.05B01及之前版本存在注入漏洞，该漏洞源于文件/htdocs/cgibin的错误操作导致命令注入。

CVSS 6.3 · Medium EPSS 18.14% · P97

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-8956

Vulnerability Information
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Vulnerability Title
D-Link DIR‑818L ssdpcgi cgibin getenv command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in D-Link DIR‑818L up to 1.05B01. This issue affects the function getenv of the file /htdocs/cgibin of the component ssdpcgi. The manipulation leads to command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
D-Link DIR-818L 注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
D-Link DIR-818L是中国友讯（D-Link）公司的一个WiFi路由器。 D-Link DIR-818L 1.05B01及之前版本存在注入漏洞，该漏洞源于文件/htdocs/cgibin的错误操作导致命令注入。
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‑818L 1.05B01 -

II. Public POCs for CVE-2025-8956

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III. Intelligence Information for CVE-2025-8956

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Vendor Advisories for CVE-2025-8956 (1)

Vendor Pages for CVE-2025-8956 (1)

Same Patch Batch · D-Link · 2025-08-14 · 3 CVEs total

CVE-2025-8949 7.2 HIGH D-Link DIR-825 httpd ping_response.cgi get_ping_app_stat stack-based overflow
CVE-2025-8978 6.6 MEDIUM D-Link DIR-619L boa FirmwareUpgrade data authenticity

IV. Related Vulnerabilities

Same vendor: D-Link
Same weakness: CWE-77

V. Comments for CVE-2025-8956

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