LTSecurity LTK3500SF Hard-coded Credentials via Telnet/SSH (CVE-2026-47116) | HOL Guard CVE

Critical · CVSS 9.3CVE-2026-47116

LTSecurity LTK3500SF Hard-coded Credentials via Telnet/SSH

Answer in brief

CVE-2026-47116 records a Critical severity (CVSS 9.3) vulnerability in LTSecurity LTK3500SF Hard-coded Credentials via Telnet/SSH. The current sources do not mark it as known exploited. The current feed maps LTSecurity/LTK3500SF (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 22, 2026Updated Sep 22, 2026Source checked Sep 22, 2026First seen by HOL Sep 22, 2026Material review Sep 22, 2026

Upstream Advisory

Key facts

Risk: Critical · CVSS 9.3
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

CVSS is 9.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps LTSecurity/LTK3500SF (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
LTSecurity/LTK3500SFgeneric	AC3F_V1.1.0_build191121	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for LTSecurity/LTK3500SF.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Sep 22, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 22, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 22, 2026

Sources and claim methodology

Upstream source description

LTSecurity LTK3500SF contains a hard-coded credentials vulnerability where root and guest account passwords are stored as reversible hashes in /etc/shadow, recoverable using dictionary-based cracking tools. Attackers can use the recovered credentials to authenticate via Telnet or SSH and obtain full root-level access to the operating system.

Quoted source text, attributed separately from HOL analysis.