Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Command injection prevention
MITRE ATT&CK
1 technique across 1 tactic: Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | Full system compromise — the attacker can execute any command with the privileges of the vulnerable application process. With a CVSS score of 9.8 (CRITICAL), this represents a critical risk. |
| Exploit ScenarioDerived | An attacker injects shell metacharacters (;, |, &&) into a parameter that is passed to a system command, causing additional commands to be executed. |
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Alert meAnalysisAIv1 – Mar 16, 2026
An issue D-Link DIR-816-A2 DIR-816A2_FWv1.10CNB05_R1B011D88210 allows a remote attacker to execute arbitrary code via system() function in the bin/goahead file
Earlier versions of this analysis (1)
RemediationAI
Avoid passing user input to system commands. Use language-specific APIs instead of shell commands. If unavoidable, use strict input validation and escaping.
Affected VersionsENISA
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
Command injection allows an attacker to execute arbitrary OS commands on the host system through a vulnerable application that passes user input to system shells.
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from Vendor (mitre) · only source for this CVE.
CVSS VectorVendor: mitre
Lifecycle Timeline
2Executive ViewAI
CVE-2025-45931 presents critical security risk, a command injection vulnerability rated CVSS 9.8. Successful exploitation could allow attackers to execute arbitrary code or commands on affected systems, potentially leading to full system compromise. Proof-of-concept code is publicly available, increasing the risk of exploitation. Organizations should apply vendor updates immediately when available and implement compensating controls in the interim.
Apply vendor patch. If immediate patching is not feasible: (1) Deploy WAF rules to block injection patterns; (2) Restrict network access to affected components; (3) Enable enhanced logging for suspicious activity.
Threat Intelligence Overview
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
OS command injection occurs when an application passes unsanitized user input directly into system shell commands.
Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.
More in Dir 816 Firmware
View allAn issue in Dlink DIR-816A2 v.1.10CNB05 allows a remote attacker to execute arbitrary code via the wizardstep4_ssid_2 pa
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
D-link DIR-816 A2_v1.10CNB04.img is vulnerable to Command injection via /goform/NTPSyncWithHost. Rated critical severity
EUVD-2025-19574
NVD
CVE.org
EPSS
GitHub
Exploit-DB