Stack-based buffer overflow in Dell Chassis Management Controller for Dell PowerEdge FX2
Priority MEDIUM 44CWE-121Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.
Summary
Dell Chassis Management Controller Firmware for Dell PowerEdge FX2, version(s) prior to 2.40.200.202101130302, and Dell Chassis Management Controller Firmware for Dell PowerEdge VRTX version(s) prior to 3.41.200.202209300499, contain(s) a Stack-based Buffer Overflow vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Remote execution.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00644 51st percentileScored 2026-11-07
Fix Fixed Dell Chassis Management Controller (CMC) for Dell PowerEdge FX2 (Dell): 2.40.200.202101130302Dell Chassis Management Controller (CMC) for PowerEdge VRTX (Dell): 3.41.200.202209300499
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 |
|---|---|---|---|---|---|
| Dell | Dell Chassis Management Controller (CMC) for Dell PowerEdge FX2 | N/A to before 2.40.200.202101130302 | 2.40.200.202101130302 | Patch available | CNA |
| Dell | Dell Chassis Management Controller (CMC) for PowerEdge VRTX | N/A to before 3.41.200.202209300499 | 3.41.200.202209300499 | Patch available | CNA |
- Dell Chassis Management Controller (CMC) for Dell PowerEdge FX2 VendorDell Affected N/A to before 2.40.200.202101130302 Fixed in 2.40.200.202101130302 Patch available CNA
- Dell Chassis Management Controller (CMC) for PowerEdge VRTX VendorDell Affected N/A to before 3.41.200.202209300499 Fixed in 3.41.200.202209300499 Patch available CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:dell:chassis_management_controller_for_poweredge_fx2_firmware:*:*:*:*:*:*:*:* | before 2.40.200.202101130302 | Vulnerable | Dell |
| cpe:2.3:h:dell:chassis_management_controller_for_poweredge_fx2:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Dell |
| cpe:2.3:o:dell:chassis_management_controller_for_poweredge_vrtx_firmware:*:*:*:*:*:*:*:* | before 3.41.200.202209300499 | Vulnerable | Dell |
| cpe:2.3:h:dell:chassis_management_controller_for_poweredge_vrtx:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Dell |
- cpe:2.3:o:dell:chassis_management_controller_for_poweredge_fx2_firmware:*:*:*:*:*:*:*:* Versions before 2.40.200.202101130302 Vulnerable ·Dell
- cpe:2.3:h:dell:chassis_management_controller_for_poweredge_fx2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dell
- cpe:2.3:o:dell:chassis_management_controller_for_poweredge_vrtx_firmware:*:*:*:*:*:*:*:* Versions before 3.41.200.202209300499 Vulnerable ·Dell
- cpe:2.3:h:dell:chassis_management_controller_for_poweredge_vrtx:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dell
Remediation
- Fix · CNA Dell Chassis Management Controller (CMC) for Dell PowerEdge FX2 (Dell) Fixed in 2.40.200.202101130302
- Fix · CNA Dell Chassis Management Controller (CMC) for PowerEdge VRTX (Dell) Fixed in 3.41.200.202209300499
Timeline
- 2026-10-02 Threatist record created from CVE-2025-26336
- 2026-10-03 Alias added: GHSA-7hqh-xh4r-x7q4
- 2026-10-21 EPSS moved to the 50th–90th percentile
References
Sources
- CVE-2025-26336 · CVE Program
- CVE-2025-26336 · NVD
- FIRST EPSS
- GHSA-7hqh-xh4r-x7q4 · 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