Vulnerability · Published Sep 9, 2026 · Assigned by schneider

CVE-2026-77120

High 8.7

In plain English

A high-severity OS command injection in PowerLogic T300 from Schneider Electric. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 52% of all known vulnerabilities).

Severity (CVSS 4.0)8.7High
Exploit odds (30 days)0.7%top 48.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability exists that could cause privilege escalation to root and unauthorized execution of administrative functions when an authenticated user with SSH enabled interacts with the operating system console that improperly processes user-controlled input.

Affected products (as reported)

VendorProductVersions
Schneider Electric PowerLogic T300 Versions 2.9.8-5620 and prior

Weakness: CWE-78 · Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

References