CVE-2026-27515 in 10G08-0800GSM Network Switch
Summary
by MITRE • 02/24/2026
Binardat 10G08-0800GSM network switch firmware versions prior to V300SP10260209 generate predictable numeric session identifiers in the web management interface. An attacker can guess valid session IDs and hijack authenticated sessions.
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Analysis
by VulDB Data Team • 02/24/2026
The vulnerability identified as CVE-2026-27515 affects Binardat 10G08-0800GSM network switches running firmware versions prior to V300SP10260209. This security flaw resides in the web management interface of these network devices, which are commonly deployed in enterprise and industrial networking environments where secure remote administration is critical. The issue represents a significant weakness in the authentication mechanism that undermines the security posture of the affected network infrastructure.
The technical flaw manifests through the generation of predictable numeric session identifiers within the web management interface. When users authenticate to the switch's web interface, the system assigns session IDs that follow a predictable pattern rather than utilizing cryptographically secure random number generation. This predictable session ID generation creates a vulnerability classified under CWE-330, which specifically addresses the use of insecure random number generators in security contexts. The weakness allows attackers to perform session hijacking by guessing valid session identifiers, effectively bypassing the authentication mechanism and gaining unauthorized administrative access to the network switch.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it enables attackers to perform critical network management functions without proper authorization. An attacker who successfully hijacks a session can modify network configurations, view sensitive network information, disable security features, and potentially disrupt network operations. This vulnerability directly maps to ATT&CK technique T1566.002, which covers credential harvesting through phishing and social engineering, and T1078.002, which involves valid accounts used for lateral movement. The compromised switch can serve as a foothold for broader network infiltration, making this vulnerability particularly dangerous in environments where network switches serve as critical infrastructure components.
Mitigation strategies for this vulnerability include immediate firmware updates to V300SP10260209 or later versions, which should implement proper random number generation for session identifiers. Network administrators should also consider implementing additional security controls such as network segmentation to limit access to management interfaces, requiring multi-factor authentication for administrative access, and monitoring for suspicious session activity. The vulnerability highlights the importance of following security best practices for session management, including the use of cryptographically secure random number generators as recommended in NIST SP 800-90A and OWASP session management guidelines. Organizations should also conduct regular security assessments of their network infrastructure to identify and remediate similar weaknesses in other network devices that may be running outdated firmware versions.