D-Link DIR-853 A1 FW1.20B07 has been found to contain a command injection vulnerability in the SetVirtualServerSettings module. This flaw could allow attackers to execute arbitrary commands on the underlying system. The CVSS score for this vulnerability is 7.2, categorizing it as high severity. Organizations must understand the implications of this vulnerability and take immediate action to mitigate risks.
Risk to organizations includes unauthorized access and potential compromise of sensitive data, as attackers may leverage this vulnerability to manipulate or exploit the device. Given the high severity of this vulnerability, organizations should prioritize patching immediately.
Currently, there are no public exploits available for this vulnerability, and it is not listed in the Known Exploited Vulnerabilities (KEV) catalog. However, the potential impact of a successful exploitation necessitates that organizations remain vigilant.
To effectively safeguard against this vulnerability, organizations should ensure timely application of patches and updates when they become available. The urgency of addressing this vulnerability cannot be overstated.
Vulnerability Details
The vulnerability allows command injection in the D-Link DIR-853 A1 FW1.20B07 firmware, specifically within the SetVirtualServerSettings module. The CVSS score of 7.2 indicates high severity, with the vulnerability impacting confidentiality, integrity, and availability. The affected product is the D-Link DIR-853 firmware version 1.20B07, which was published on February 12, 2025.
The CWE classification for this vulnerability is CWE-77, indicating a command injection issue. Organizations should assess their exposure to this vulnerability and implement necessary mitigations.
Technical Analysis
The root cause of this vulnerability lies in improper validation of user inputs within the SetVirtualServerSettings module. Attackers can exploit this flaw through network access, taking advantage of low attack complexity and high privileges required for successful exploitation.
The attack vector is network-based, requiring no user interaction. Given the high privileges required to exploit the vulnerability, an attacker would need access to the network where the device is deployed.
The confidentiality, integrity, and availability impacts are all rated as high, indicating that successful exploitation could lead to significant damage and unauthorized access to sensitive data.
Risk & Impact Analysis
Organizations deploying the D-Link DIR-853 firmware face considerable risk due to this vulnerability. The ability for attackers to execute arbitrary commands poses a direct threat to network security and data integrity.
The potential blast radius includes any systems that interact with the vulnerable firmware, potentially leading to cascading impacts across the organizational network. Organizations should assess their exposure and the potential consequences of a breach.
Given the CVSS score and the lack of known exploits, organizations should still treat this vulnerability with high urgency and prioritize it in their patch cycle. The low EPSS score indicates that while the exploitation is not currently prevalent, the risk remains significant.
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The affected product is the D-Link DIR-853 firmware version 1.20B07. Organizations using this version are at risk and should ensure they apply patches as they become available.
Mitigation & Remediation
Organizations should monitor for any patches released by D-Link for the DIR-853 firmware. In the absence of an immediate patch, configuration hardening should be implemented to limit exposure to this vulnerability. Ensuring that unnecessary services are disabled and employing network controls can significantly reduce the risk.
For effective remediation, organizations may consider continuous penetration testing to ensure comprehensive security of their systems.
Detection Guidance
Organizations should monitor logs for unusual command executions or anomalies in the SetVirtualServerSettings module. Additionally, behavioral anomalies should be investigated to determine if unauthorized access has occurred.
AppSecure Threat Intelligence Insight
This vulnerability highlights the ongoing challenges of securing network devices. The potential for command injection attacks remains a concern for organizations relying on vulnerable firmware. Security teams should focus on proactive measures to identify and mitigate similar vulnerabilities.
For organizations using D-Link products, it's crucial to stay informed about emerging threats and vulnerabilities. Regular assessments and adopting best practices in security can help prevent exploitation. Consider reviewing our resources on vulnerability management and penetration testing methodology to enhance your security posture.
By understanding the implications of vulnerabilities like CVE-2025-25743, organizations can take strategic steps to mitigate risks and safeguard their systems.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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