CVE-2026-27516 in 10G08-0800GSM Network Switch
Summary
by MITRE • 02/24/2026
Binardat 10G08-0800GSM network switch firmware version V300SP10260209 and prior expose user passwords in plaintext within the administrative interface and HTTP responses, allowing recovery of valid credentials.
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Analysis
by VulDB Data Team • 03/03/2026
The vulnerability identified as CVE-2026-27516 affects the Binardat 10G08-0800GSM network switch firmware versions up to and including V300SP10260209. This issue represents a critical security flaw that undermines the fundamental principle of credential protection within network infrastructure devices. The vulnerability manifests through the improper handling of authentication credentials within the device's administrative interface and HTTP response mechanisms, creating an exploitable condition that directly compromises user account security.
The technical implementation flaw resides in the firmware's failure to properly encrypt or obfuscate user passwords when they are transmitted or stored within the administrative interface. This plaintext exposure occurs during normal operational procedures when users interact with the switch's web-based management console. The vulnerability specifically affects the HTTP response handling mechanisms where authentication credentials are returned in unencrypted format, making them immediately accessible to any observer with network monitoring capabilities. This design oversight creates a direct pathway for credential harvesting through network traffic analysis or man-in-the-middle attacks.
From an operational impact perspective, this vulnerability presents an immediate and severe risk to network security posture. Attackers who gain access to the network segment where the switch operates can easily capture valid user credentials through packet sniffing or network monitoring tools. The exposed credentials can then be used to gain unauthorized administrative access to the network switch, potentially allowing full control over network traffic management, configuration changes, and access to sensitive network information. This compromise extends beyond simple credential theft to enable broader network infiltration and lateral movement within the infrastructure.
The vulnerability aligns with CWE-312 (Cleartext Storage of Sensitive Information) and CWE-522 (Insufficiently Protected Credentials) within the CWE classification system, representing a clear violation of fundamental security principles for credential handling. From an ATT&CK framework perspective, this vulnerability maps to T1078 (Valid Accounts) and T1566 (Phishing) as it enables unauthorized access through legitimate credentials and represents a vector for credential compromise. The exposure of plaintext passwords also violates NIST SP 800-63B guidelines for authentication and credential management, which explicitly require protection of sensitive information during transmission and storage.
Organizations should immediately implement mitigations including firmware updates from the vendor to address the vulnerability, network segmentation to limit access to management interfaces, and implementation of network monitoring to detect credential exposure attempts. Additional protective measures include enforcing strong access controls, implementing multi-factor authentication where possible, and conducting thorough network audits to identify any potential compromise. The vulnerability demonstrates the critical importance of proper credential handling in network infrastructure devices and highlights the necessity of regular security assessments of network equipment to prevent similar exposure scenarios.