CVE-2025-30238 in HB810
Summary
by MITRE • 08/11/2026
In affected TP-Link Aginet devices, insufficient authorization validation allows authenticated low-privileged users to execute higher-privileged operations.
An attacker may perform administrative actions such as creating privileged accounts or modifying critical configuration settings.
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Analysis
by VulDB Data Team • 08/11/2026
This vulnerability exists within TP-Link Aginet devices where inadequate authorization validation permits authenticated users with low privileges to escalate their access and perform administrative operations. The flaw represents a critical weakness in the device's access control mechanisms, allowing unauthorized privilege escalation through improper session management and role-based access controls.
The technical implementation of this vulnerability stems from insufficient input validation and authorization checks within the device's authentication framework. When legitimate users authenticate to the system, the device fails to properly verify their authorization levels before granting access to administrative functions. This weakness enables attackers to manipulate session tokens or directly access administrative APIs without proper elevation. The vulnerability aligns with CWE-285 which addresses insufficient authorization in software systems, and specifically relates to improper access control mechanisms that allow privilege escalation.
From an operational perspective, this vulnerability poses significant risks to network security infrastructure. Attackers can leverage this weakness to establish persistent backdoors by creating privileged user accounts or modify critical configuration parameters such as firewall rules, network settings, or device firmware configurations. The impact extends beyond individual device compromise as it enables attackers to gain control over entire network segments managed by these devices, potentially leading to widespread network infiltration and data exfiltration.
The exploitation of this vulnerability follows ATT&CK technique T1078 which covers valid accounts for persistence and privilege escalation. Attackers typically begin by authenticating with standard user credentials, then leverage the authorization bypass to execute administrative commands that would normally require elevated privileges. This attack pattern allows adversaries to maintain long-term access while avoiding detection mechanisms that might flag unusual administrative activities from regular user accounts.
Mitigation strategies should focus on implementing robust access control measures including proper session management, role-based access controls with least privilege principles, and comprehensive authorization validation checks. Network administrators should ensure that all TP-Link Aginet devices are updated to the latest firmware versions that address this authorization flaw. Additionally, implementing network segmentation, monitoring for unusual administrative activities, and conducting regular security assessments can help detect and prevent exploitation attempts. The vulnerability highlights the importance of proper privilege separation and input validation in network device security architectures.