Dir 816 Firmware
CVE-2022-37129
HIGH
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionNVD
D-Link DIR-816 A2_v1.10CNB04.img is vulnerable to Command Injection via /goform/SystemCommand. After the user passes in the command parameter, it will be spliced into byte_4836B0 by snprintf, and finally doSystem(&byte_4836B0); will be executed, resulting in a command injection.
AnalysisAI
D-Link DIR-816 A2_v1.10CNB04.img is vulnerable to Command Injection via /goform/SystemCommand. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
Technical ContextAI
This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. D-Link DIR-816 A2_v1.10CNB04.img is vulnerable to Command Injection via /goform/SystemCommand. After the user passes in the command parameter, it will be spliced into byte_4836B0 by snprintf, and finally doSystem(&byte_4836B0); will be executed, resulting in a command injection. Affected products include: Dlink Dir-816 Firmware.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.
More in Dir 816 Firmware
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Critical stack-based buffer overflow vulnerability in D-Link DIR-816 1.10CNB05 affecting the qosClassifier function's di
Critical stack-based buffer overflow vulnerability in D-Link DIR-816 firmware version 1.10CNB05 affecting the /goform/fo
Critical stack-based buffer overflow vulnerability in D-Link DIR-816 firmware version 1.10CNB05 affecting the QoSPortSet
Critical stack-based buffer overflow vulnerability in D-Link DIR-816 wireless router (version 1.10CNB05) affecting the 5
D-Link DIR-816 A2 1.10 B05 was discovered to contain a stack overflow via the pskValue parameter in the setRepeaterSecur
D-Link DIR-816 A2 1.10 B05 was discovered to contain a stack overflow via the wizardstep54_pskpwd parameter at /goform/f
D-Link DIR-816 A2 1.10 B05 was discovered to contain a stack overflow via the pskValue parameter in the setSecurity func
D-Link DIR-816 A2 1.10 B05 was discovered to contain a stack overflow via the wizardstep4_pskpwd parameter at /goform/fo
D-Link DIR-816 A2 1.10 B05 was discovered to contain a stack overflow via the srcip parameter at /goform/form2IPQoSTcAdd
In D-Link DIR-816 A2_v1.10CNB04, DIR-878 DIR_878_FW1.30B08.img a command injection vulnerability occurs in /goform/Diagn
Same weakness CWE-78 – OS Command Injection
View allSame technique Command Injection
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External POC / Exploit Code
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