High

OS Command Injection in Dell Unity svc_nfssupport

IdentifiersCVE-2025-36606CWE-78· Improper Neutralization of Special…

CVE-2025-36606 is an OS command injection vulnerability in the svc_nfssupport utility of Dell Unity Operating Environment (OE). Dell Unity OE version 5.5 and prior are affected, including impacted Dell Unity, Dell EMC Unity All Flash, Dell EMC Unity Hybrid, and related UnityVSA/Unity XT deployments running vulnerable OE versions. The flaw is caused by improper neutralization of special elements in user-supplied input before that input is passed to a shell for execution. An authenticated attacker can provide crafted input to svc_nfssupport, escape the restricted shell environment, and cause arbitrary operating system commands to be executed with root privileges.

For your environment

Are you exposed to this one?

Mallory correlates every CVE against your assets, your vendors, and active adversary campaigns. Know which vulnerabilities matter for you, not just which ones are loud.

Start free trial

ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation results in arbitrary OS command execution as root on the affected Dell Unity system. Because the vulnerability enables escape from the restricted shell, an attacker can fully bypass intended command restrictions and potentially achieve complete compromise of confidentiality, integrity, and availability on the storage appliance, including administrative control over the underlying operating environment.

Mitigation

If you can’t patch tonight, do this now.

No specific alternative mitigation was provided in the available content beyond applying the vendor fix. Where immediate upgrade is not possible, reducing access to local authenticated shell-capable interfaces and tightly restricting which users can access affected utilities may reduce exposure, but the available information does not document an official vendor workaround.

Remediation

Patch, then assume compromise.

Upgrade affected systems to Dell Unity Operating Environment version 5.5.1 or later. Dell states that Unity OE 5.5.1 and newer address CVE-2025-36606. Organizations should apply the vendor-provided update across affected Dell Unity, UnityVSA, and Unity XT systems and obtain the fixed software from Dell's official support channels and associated security advisory guidance.

PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType

Dell TechnologiesUnity Operating Environmentapplication

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

ACTIVITY FEED

Recent activity

7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

7 SOURCESView more in app

zeropath blogNews

Aug 4, 2025

Dell Unity CVE-2025-36607 OS Command Injection Vulnerability: Brief Summary and Patch Guidance - ZeroPath Blog | ZeroPath

An authenticated OS command injection vulnerability in the svc_nfssupport utility of Dell Unity, mentioned as a related recently disclosed issue.

zeropath blogNews

Aug 4, 2025

Dell Unity CVE-2025-36606 OS Command Injection Vulnerability: Brief Summary and Patch Guidance - ZeroPath Blog | ZeroPath

An authenticated local OS command injection vulnerability in the svc_nfssupport utility of Dell Unity Operating Environment that can allow arbitrary command execution as root and escape from the restricted shell.

What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.

Start free trial

Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity4