Vulnerability Description
Grandstream GWN7660ELR before firmware version 1.0.27.6 contains an information disclosure vulnerability that allows unauthenticated remote attackers to obtain sensitive system information by querying the SNMP v2c service configured with the default community string 'public'. Attackers can query standard MIBs over the SNMP port to retrieve operating system and kernel version, running process names and command-line arguments, network interface configuration, routing table entries, ARP table mappings, active TCP connection details, and file system paths, enabling detailed reconnaissance of the device and adjacent network infrastructure.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://firmware.grandstream.com/BETA/Release_Note_GWN7660ELR_7665_1.0.27.6.pdf
- https://www.grandstream.com/support/firmware
- https://www.vulncheck.com/advisories/grandstream-gwn7660elr-information-disclosu
FAQ
What is CVE-2026-93338?
CVE-2026-93338 is a vulnerability with a CVSS score of 5.3 (MEDIUM). Grandstream GWN7660ELR before firmware version 1.0.27.6 contains an information disclosure vulnerability that allows unauthenticated remote attackers to obtain sensitive system information by querying...
How severe is CVE-2026-93338?
CVE-2026-93338 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-93338?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.