CVE-2026-0630 in Archer BE230
Summary
by MITRE • 02/02/2026
An OS Command Injection vulnerability in TP-Link Archer BE230 v1.2(web modules) and Archer AXE75 v1.0 allows adjacent
authenticated
attacker to execute arbitrary code. Successful exploitation could allow an attacker to gain full administrative control of the device, resulting in severe compromise of configuration integrity, network security, and service availability.
This CVE covers one of multiple distinct OS command injection issues identified across separate code paths. Although similar in nature, each instance is tracked under a unique CVE ID.This issue affects Archer BE230 v1.2 < 1.2.4 Build 20251218 rel.70420 and Archer AXE v1.0 < 1.5.3 Build 20260209 rel. 71108.
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Analysis
by VulDB Data Team • 03/20/2026
The vulnerability identified as CVE-2026-0630 represents a critical operating system command injection flaw affecting TP-Link Archer BE230 v1.2 and Archer AXE75 v1.0 wireless routers. This security weakness resides within the web management modules of these devices and allows an adjacent authenticated attacker to execute arbitrary code with full administrative privileges. The vulnerability stems from insufficient input validation and sanitization within the device's web interface, creating an avenue for malicious command execution that bypasses normal authentication mechanisms. The flaw specifically manifests when the device processes user-supplied input through web forms or API endpoints without proper escaping or filtering of special characters that could be interpreted as shell commands by the underlying operating system. According to CWE classification, this vulnerability maps to CWE-77 which encompasses command injection flaws where untrusted data is directly incorporated into operating system commands without adequate sanitization. The attack vector requires an attacker to be within the same network segment as the target device and possess valid authentication credentials, making it particularly concerning for environments where network segmentation is not properly enforced.
The technical exploitation of this vulnerability enables an attacker to execute arbitrary commands with root-level privileges on the affected devices, fundamentally compromising the device's security posture. Once exploited, the attacker gains complete control over the router's configuration, including the ability to modify network settings, establish backdoors, redirect traffic, and potentially use the compromised device as a pivot point for attacking other systems within the network. The impact extends beyond simple privilege escalation as the attacker can manipulate the device's core functionality, potentially disrupting network services or creating persistent access mechanisms. The affected firmware versions demonstrate a pattern of insufficient input validation where user-controllable parameters are directly passed to system commands without proper sanitization, creating multiple potential entry points for exploitation. The vulnerability affects specific firmware builds where the web management interface fails to properly escape or filter command characters, allowing attackers to inject malicious shell commands that are subsequently executed by the device's operating system. This type of vulnerability is particularly dangerous in enterprise environments where network devices serve as critical infrastructure components and where a compromised router can provide attackers with significant network access and potential lateral movement capabilities.
The operational impact of CVE-2026-0630 extends far beyond immediate device compromise, creating cascading security risks that can severely impact network integrity and availability. An attacker who successfully exploits this vulnerability can manipulate routing tables, disable security features, and establish persistent access points within the network infrastructure. The compromised device becomes a potential command and control center for further attacks, with the ability to intercept and modify network traffic passing through the router. The vulnerability's presence in multiple device models indicates a systemic issue within TP-Link's web application development practices, suggesting that similar flaws may exist in other components of the firmware. Organizations using affected TP-Link devices face significant risk of unauthorized network access, data exfiltration, and service disruption. The vulnerability's exploitation can lead to complete network compromise, as routers often serve as gateways between internal and external networks, making them prime targets for attackers seeking to establish persistent access. According to ATT&CK framework categorization, this vulnerability aligns with T1059.001 (Command and Scripting Interpreter: PowerShell) and T1059.003 (Command and Scripting Interpreter: Windows Command Shell) techniques, as the attacker leverages command injection to execute arbitrary code through legitimate system interfaces. The attack chain typically involves initial access through valid credentials followed by command injection to escalate privileges and establish persistence.
Mitigation strategies for CVE-2026-0630 should prioritize immediate firmware updates from TP-Link to address the identified command injection flaws. Organizations must ensure that all affected devices are updated to versions containing proper input validation and sanitization mechanisms. Network administrators should implement strict network segmentation to limit the attack surface and prevent lateral movement from compromised devices. The implementation of intrusion detection systems and network monitoring can help identify suspicious command execution patterns that may indicate exploitation attempts. Security teams should conduct comprehensive vulnerability assessments to identify other potentially affected devices within their network infrastructure, as similar command injection patterns may exist in other firmware components. Access controls should be reviewed and strengthened to ensure that only authorized personnel have administrative access to network devices. Regular security audits of network infrastructure should include verification of device firmware versions and configuration settings to prevent exploitation of known vulnerabilities. The remediation process should also involve implementing proper input validation at multiple layers of the application architecture, including web interfaces, API endpoints, and system command execution points. Organizations should consider implementing network access control policies that restrict administrative access to network devices and require multi-factor authentication for privileged accounts. Additionally, network administrators should regularly review and audit device configurations to ensure that security settings are properly maintained and that unnecessary services are disabled to minimize potential attack vectors.