CVE Catalog

CVE-2026-60060

MediumCVSS 6.3
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.32%

24th percentile - higher than 24% of all known CVEs

Summary

The TTSSH2 plugin of Tera Term contains a vulnerability due to improper handling of length parameter inconsistency (CWE-130). When Tera Term attempts to establish an SSH connection to a server set up by an attacker, out-of-bounds read/write may occur.

Risk Assessment

An attacker can exploit this vulnerability to read adjacent memory contents, potentially leaking sensitive data. It may also cause unexpected behavior or abnormal termination of Tera Term, disrupting administrator workflows.

Recommendation

Immediately update the TTSSH2 plugin to the latest version available from the TeraTerm Project website. Until updated, avoid establishing SSH connections to untrusted servers.

Related vulnerabilities

Original NVD description (English source)

Improper Handling of Length Parameter Inconsistency (CWE-130) vulnerability exists in TTSSH2 plugin of Tera Term provided by TeraTerm Project. When Tera Term attempts to establish an SSH connection to a server set up by an attacker, out-of-bounds read/write may occur. As a result, the contents of adjacent memory regions may be transmitted to the server, and Tera Term may behave unexpected or terminate abnormally.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS