CVE Catalog
CVE-2026-4621
MediumCVSS 5.6Exploitation Probability (EPSS)
Low risk0.16%
5th percentile - higher than 5% of all known CVEs
Summary
A hidden functionality vulnerability in NEC Platforms Aterm Series allows an attacker to enable telnet via the network.
Risk Assessment
Enabling telnet by an attacker may allow unauthorized access to the device and further exploitation within the network.
Recommendation
Update Aterm device firmware to a version containing the fix and restrict network access to the management interface.
Other vulnerabilities in NEC Platforms Aterm Series
Original NVD description (English source)
Hidden Functionality vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to enable telnet via network.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

