OS command injection in Schneider Electric PowerLogic T300
Priority MEDIUM 41CWE-78Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-78.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00666 52nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Schneider Electric | PowerLogic T300 | up to 2.9.8-5620 | — | No fix listed | CNA |
- PowerLogic T300 VendorSchneider Electric Affected up to 2.9.8-5620 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-77120
- 2026-10-03 Alias added: GHSA-49xv-xvfv-pf95
References
More Schneider Electric vulnerabilities
- TI-2018-05679 SQL injection in U.motion Builder software version 1.3.4 KEVCVSS 3.1CRITICAL 9.8
- TI-2021-05589 Hard-coded credentials in EVlink City , EVlink Parking , and EVlink Smart Wallbox CVSS 3.1CRITICAL 9.8
- TI-2022-15561 OS command injection in Schneider Electric SpaceLogic C-Bus Home Controller CVSS 3.1HIGH 8.8
- TI-2023-04970 Path traversal in Schneider Electric C-Bus Toolkit CVSS 3.1CRITICAL 9.8
- TI-2019-04862 Improper handling of exceptional conditions in Schneider Electric Modicon M580 CVSS 3.1HIGH 7.5
- TI-2018-05690 Improper handling of exceptional conditions in Modicon M580 Modicon M340 Modicon Quantum… CVSS 3.1HIGH 7.5
Sources
- CVE-2026-77120 · CVE Program
- CVE-2026-77120 · NVD
- FIRST EPSS
- GHSA-49xv-xvfv-pf95 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences