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CVE-2025-29041: n/a in n/a

Critical
VulnerabilityCVE-2025-29041cvecve-2025-29041
Published: Thu Apr 17 2025 (04/17/2025, 00:00:00 UTC)
Source: CVE
Vendor/Project: n/a
Product: n/a

Description

An issue in dlink DIR 823x 240802 allows a remote attacker to execute arbitrary code via the target_addr key value and the function 0x41710c

AI-Powered Analysis

AILast updated: 07/02/2025, 01:26:50 UTC

Technical Analysis

CVE-2025-29041 is a critical remote code execution vulnerability identified in the D-Link DIR 823x series routers, specifically firmware version 240802. The vulnerability arises from improper handling of the 'target_addr' key value within the device's software, exploited via a function located at memory address 0x41710c. This flaw is categorized under CWE-78, which corresponds to OS Command Injection, indicating that an attacker can inject arbitrary commands into the system. The CVSS v3.1 base score of 9.8 reflects the severity and ease of exploitation: the attack vector is network-based (AV:N), requires no privileges (PR:N), no user interaction (UI:N), and impacts confidentiality, integrity, and availability (C:H/I:H/A:H). An attacker can remotely execute arbitrary code without authentication, potentially taking full control of the affected router. This could allow interception or manipulation of network traffic, deployment of malware, or use of the device as a pivot point for further attacks within the network. No patches or mitigations have been officially released at the time of publication, and no known exploits are currently observed in the wild, but the high severity and ease of exploitation make this a significant threat to any network using the affected devices.

Potential Impact

For European organizations, the impact of this vulnerability is substantial. D-Link routers, including the DIR 823x series, are commonly used in small to medium enterprises and home office environments across Europe. Exploitation could lead to full compromise of network perimeter devices, enabling attackers to intercept sensitive communications, exfiltrate data, or disrupt network availability. Given the critical nature of the vulnerability, attackers could deploy ransomware or conduct espionage activities. The lack of authentication and user interaction requirements means that attacks can be automated and widespread, increasing risk to organizations with exposed or poorly segmented networks. Additionally, compromised routers could be leveraged to launch attacks against internal systems or other connected networks, amplifying the potential damage. This is particularly concerning for sectors with high data sensitivity such as finance, healthcare, and government institutions in Europe.

Mitigation Recommendations

Immediate mitigation steps include isolating affected D-Link DIR 823x routers from untrusted networks and restricting remote management interfaces to trusted IP addresses only. Network administrators should implement strict firewall rules to block inbound traffic to router management ports. Monitoring network traffic for unusual activity or signs of compromise is essential. Since no official patches are available, organizations should consider replacing vulnerable devices with updated hardware or firmware versions once released. Employing network segmentation to limit the exposure of critical systems behind the router can reduce potential impact. Additionally, organizations should enforce strong network access controls and consider deploying intrusion detection/prevention systems (IDS/IPS) capable of detecting exploitation attempts targeting this vulnerability. Regularly checking vendor advisories for patches and applying them promptly upon release is critical.

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Technical Details

Data Version
5.1
Assigner Short Name
mitre
Date Reserved
2025-03-11T00:00:00.000Z
Cisa Enriched
true
Cvss Version
3.1
State
PUBLISHED

Threat ID: 682d9839c4522896dcbec7f5

Added to database: 5/21/2025, 9:09:13 AM

Last enriched: 7/2/2025, 1:26:50 AM

Last updated: 8/15/2025, 7:08:21 PM

Views: 12

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