CVE-2026-47116 LTSecurity LTK3500SF - Hardcoded Credentials

LTSecurity LTK3500SF contains a hardcoded credentials vulnerability caused by reversible hashed root and guest passwords in /etc/shadow, letting attackers authenticate via Telnet or SSH to gain root access, exploit requires access to hashed passwords.

CVSS base score 9.8 /10
Critical
CISA KEV
Not listed
Public exploit
None known
EPSS
0.51% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Hardcoded Credentials
Impact
Privilege Escalation
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
22 September 2026
Updated
15 October 2026
Weakness
CWE-798

Vendor fix

Update to the latest version or patch that removes hardcoded credentials.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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