CVE-2025-11665 in DAP-2695
Summary
by MITRE • 10/13/2025
A vulnerability was detected in D-Link DAP-2695 2.00RC131. This affects the function fwupdater_main of the file rgbin of the component Firmware Update Handler. Performing manipulation results in os command injection. The attack may be initiated remotely. This vulnerability only affects products that are no longer supported by the maintainer.
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Analysis
by VulDB Data Team • 10/13/2025
The vulnerability identified as CVE-2025-11665 represents a critical command injection flaw within the D-Link DAP-2695 wireless access point firmware version 2.00RC131. This issue resides in the firmware update handler component, specifically within the fwupdater_main function of the rgbin file, making it a significant security concern for any device running this outdated firmware. The vulnerability stems from insufficient input validation and sanitization within the firmware update processing logic, which allows malicious actors to inject operating system commands through crafted inputs. The attack vector is particularly concerning as it can be executed remotely, eliminating the need for physical access to the device. This remote exploit capability aligns with attack techniques documented in the MITRE ATT&CK framework under the T1203 category for exploitation of remote services, and specifically targets the T1059.007 sub-technique for command and script injection. The vulnerability manifests when the firmware update handler processes user-supplied data without proper sanitization, creating an environment where arbitrary commands can be executed with the privileges of the firmware update process. This flaw represents a classic example of a command injection vulnerability that can be categorized under CWE-77, which describes improper neutralization of special elements used in a command. The impact of this vulnerability extends beyond simple remote code execution, as it can potentially allow attackers to gain complete control over the device, modify network configurations, install malicious software, or use the compromised device as a pivot point for attacking other systems within the network. The fact that this vulnerability affects a device that is no longer supported by the maintainer creates a particularly dangerous scenario where users have no official means to receive security patches or updates to address the flaw. This situation leaves affected devices vulnerable to exploitation with no legitimate path for remediation, making it a prime target for cybercriminals who exploit end-of-life devices for various malicious purposes including botnet recruitment, network reconnaissance, and lateral movement within compromised networks. The lack of official support also means that security researchers and vendors are not actively monitoring or addressing this issue, which further compounds the risk for organizations that may still be using these devices in their infrastructure. Organizations should immediately assess their network inventory to identify any remaining D-Link DAP-2695 devices running the affected firmware version and implement network segmentation to isolate these devices from critical systems. The recommended mitigation strategy involves replacing these devices with supported models or ensuring that any remaining units are physically isolated from the network and regularly monitored for signs of compromise. Given the nature of command injection vulnerabilities, network monitoring tools should be configured to detect unusual command execution patterns and anomalous network traffic that might indicate exploitation attempts. The vulnerability also highlights the importance of firmware lifecycle management and the risks associated with continuing to use unsupported network equipment in enterprise environments. This case demonstrates how end-of-life products can become persistent security risks when organizations fail to properly decommission or replace legacy equipment, creating persistent attack surfaces that remain vulnerable to exploitation for extended periods.