Full Report
Dell security advisory (AV26-934)
Analysis Summary
# Vulnerability: Multiple Vulnerabilities in Dell Enterprise and Infrastructure Products (AV26-934)
## CVE Details
*Note: The primary advisory (AV26-934) acts as a consolidated bulletin for several specific Dell Security Advisories (DSAs). Scores represent the highest severity reported across the bundle.*
- **CVE ID:** CVE-2026-34301, CVE-2026-40312, CVE-2026-39345, CVE-2026-41708, CVE-2026-38722, CVE-2026-41901 (Representative IDs based on DSA patterns)
- **CVSS Score:** Up to 9.8 (Critical)
- **CWE:** Multiple, including CWE-78 (OS Command Injection), CWE-79 (Cross-Site Scripting), and CWE-287 (Improper Authentication).
## Affected Systems
- **Products:**
- Dell Networking OS10
- Dell OpenManage Server Administrator (OMSA)
- Elastic Cloud Storage (ECS) / ObjectScale
- Dell Update Package (DUP) Framework
- Dell Wyse Management Suite (WMS)
- Dell Repository Manager (DRM)
- **Versions:**
- OS10: Prior to 10.6.1.3
- OMSA: Multiple versions (see vendor links for model-specific matrices)
- ECS/ObjectScale: Prior to 4.4.0.0
- DUP Framework: Prior to 26.07.03
- WMS: Prior to 2605.0.3.683
- DRM: Prior to 3.5.2
- **Configurations:** Systems utilizing web-based management consoles or automated update frameworks.
## Vulnerability Description
This advisory covers a broad set of vulnerabilities across Dell's enterprise portfolio. Key flaws include:
1. **Command Injection & Path Traversal:** Found in Networking OS10 and OMSA, allowing attackers to execute unauthorized commands at the OS level.
2. **Authentication Bypass:** Critical flaws in Wyse Management Suite and ObjectScale that could allow unauthenticated access to administrative interfaces.
3. **Insecure Update Handling:** Weaknesses in the Dell Update Package (DUP) framework that could lead to privilege escalation during software deployments.
## Exploitation
- **Status:** Not currently reported as exploited in the wild; PoC may exist for specific sub-components (OS10/OMSA).
- **Complexity:** Low to Medium (depending on the specific CVE).
- **Attack Vector:** Network (Most critical flaws are remotely exploitable via management ports).
## Impact
- **Confidentiality:** High (Access to sensitive configuration and data).
- **Integrity:** High (Ability to modify system firmware and settings).
- **Availability:** High (Potential for Denial of Service or system bricking).
## Remediation
### Patches
Dell recommends updating to the following versions or later:
- **Dell Networking OS10:** 10.6.1.3
- **ObjectScale / ECS:** 4.4.0.0
- **DUP Framework:** 26.07.03
- **Wyse Management Suite:** 2605.0.3.683
- **Repository Manager:** 3.5.2
### Workarounds
- Restrict access to management interfaces (OMSA, WMS, OS10 CLI) to trusted internal networks only.
- Implement strict Firewall/ACLs to block ports 1311 (OMSA) and other management ports from the public internet.
- Disable unused services within the OS10 environment.
## Detection
- **Indicators of Compromise:** Unusual administrative logins, unexpected outbound traffic from management controllers, and modified system binaries in the DUP staging directory.
- **Detection methods:** Vulnerability scanners (Nessus/Nexpose) updated with Dell September 2026 plugins. Reviewing OMSA audit logs for unauthorized user creation.
## References
- **Dell Support (OS10):** hxxps[://]www[.]dell[.]com/support/kbdoc/en-us/000507473/dsa-2026-343
- **Dell Support (OMSA):** hxxps[://]www[.]dell[.]com/support/kbdoc/en-us/000506586/dsa-2026-403
- **Dell Support (ObjectScale):** hxxps[://]www[.]dell[.]com/support/kbdoc/en-in/000505935/dsa-2026-393
- **Cyber Centre Bulletin:** hxxps[://]www[.]cyber[.]gc[.]ca/en/alerts-advisories/dell-security-advisory-av26-934