CVE-2026-58317
MEDIUM6.3CVSS v3
—CVSS v2
0.32%
EPSS (exploit probability)
CWE-196CWE
Description
Unsigned to Signed Conversion Error (CWE-196) 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.
CVSS v3 vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Affected routers (0)
No routers currently mapped to this CVE in our database.