Modified firmware upload in Schneider Electric Sage RTU devices
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- 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-345.
Summary
Schneider Electric Sage RTU 1410, 1430, 1450, 2400, 3030 Magnum and 4400 are affected in all versions prior to C3414-500-S02L0. Insufficient verification of data authenticity (CWE-345) lets modified firmware be uploaded when an authorized admin user begins a firmware update. An attacker with admin privileges over the network can thereby gain control of the device.
Written with Claude Haiku 5.5 from the sources below · 2026-10-27
Description from the CNA
CWE-345: Insufficient Verification of Data Authenticity vulnerability exists that could allow modified firmware to be uploaded when an authorized admin user begins a firmware update procedure which could result in control over the device.
Why it matters now
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 | Sage RTU 1410 | All versions prior to version C3414-500-S02L0 | — | No fix listed | CNA |
| Schneider Electric | Sage RTU 1430 | All versions prior to version C3414-500-S02L0 | — | No fix listed | CNA |
| Schneider Electric | Sage RTU 1450 | All versions prior to version C3414-500-S02L0 | — | No fix listed | CNA |
| Schneider Electric | Sage RTU 2400 | All versions prior to version C3414-500-S02L0 | — | No fix listed | CNA |
| Schneider Electric | Sage RTU 3030 Magnum | All versions prior to version C3414-500-S02L0 | — | No fix listed | CNA |
| Schneider Electric | Sage RTU 4400 | All versions prior to version C3414-500-S02L0 | — | No fix listed | CNA |
- Sage RTU 1410 VendorSchneider Electric Affected All versions prior to version C3414-500-S02L0 Fixed in — No fix listed CNA
- Sage RTU 1430 VendorSchneider Electric Affected All versions prior to version C3414-500-S02L0 Fixed in — No fix listed CNA
- Sage RTU 1450 VendorSchneider Electric Affected All versions prior to version C3414-500-S02L0 Fixed in — No fix listed CNA
- Sage RTU 2400 VendorSchneider Electric Affected All versions prior to version C3414-500-S02L0 Fixed in — No fix listed CNA
- Sage RTU 3030 Magnum VendorSchneider Electric Affected All versions prior to version C3414-500-S02L0 Fixed in — No fix listed CNA
- Sage RTU 4400 VendorSchneider Electric Affected All versions prior to version C3414-500-S02L0 Fixed in — No fix listed CNA
Remediation
The sources list no fixed version for Sage RTU 1410, Sage RTU 1430, Sage RTU 1450, Sage RTU 2400, Sage RTU 3030 Magnum or Sage RTU 4400.
Written with Claude Haiku 5.5 from the sources below · 2026-10-27
Timeline
- 2026-10-13 Threatist record created from CVE-2026-102250
- 2026-10-13 Alias added: GHSA-8qvf-7x74-jr2f
- 2026-10-13 CISA SSVC decision points changed
- 2026-10-13 Priority changed: MEDIUM → LOW
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-2026-102250 · CVE Program
- CVE-2026-102250 · NVD
- FIRST EPSS
- GHSA-8qvf-7x74-jr2f · 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