What is the CVSS score of CVE-2026-2182?

CVE-2026-2182 has a CVSS 3.1 base score of 7.2 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.4%.

Which versions of 521g Firmware are affected by CVE-2026-2182?

A command injection vulnerability (CVE-2026-2182) affecting 521G firmware versions up to 3.1.1-190816 poses a high risk to organizations using this equipment, as attackers could execute arbitrary…

Is there a public PoC exploit available for CVE-2026-2182?

Yes, a public proof-of-concept exploit is available for CVE-2026-2182. Prioritise patching immediately. EPSS: 0.4%.

How to fix or mitigate CVE-2026-2182?

Within 24 hours: Identify and inventory all 521G devices running affected firmware versions and isolate critical instances from production networks if feasible. Within 7 days: Implement network segmentation and access controls to restrict connections to 521G devices; deploy WAF rules to block command injection patterns; contact vendor for patch availability and timeline. Within 30 days: Develop and test a firmware update plan; establish continuous monitoring for exploitation attempts; complete remediation of all affected devices once patches become available.

521g Firmware CVE-2026-2182

HIGH

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') (CWE-74)

2026-02-08 cna@vuldb.com

Command Injection 521g Firmware

7.2

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.2 HIGH

AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

PoC Detected

Feb 10, 2026 - 15:10 vuln.today

Public exploit code

CVE Published

Feb 08, 2026 - 20:15 nvd

HIGH 7.2

DescriptionCVE.org

A weakness has been identified in UTT 进取 521G 3.1.1-190816. Affected by this issue is the function doSystem of the file /goform/setSysAdm. Executing a manipulation of the argument passwd1 can lead to command injection. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks.

AnalysisAI

521G Firmware versions up to 3.1.1-190816 contains a vulnerability that allows attackers to command injection (CVSS 7.2).

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access

Access /goform/setSysAdm endpoint

Exploit

Craft malicious passwd1 parameter with shell commands

Execution

Inject command via parameter manipulation

Impact

Execute arbitrary commands as root

Access

Access /goform/setSysAdm endpoint

Exploit

Craft malicious passwd1 parameter with shell commands

Execution

Inject command via parameter manipulation

Impact

Execute arbitrary commands as root

Vulnerability AssessmentAI

Exploitation	Attacker must possess administrative credentials (PR:H) to access the /goform/setSysAdm endpoint in UTT 进取 521G firmware version 3.1.1-190816. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment	CVSS 7.2 (HIGH). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario	A remote attacker could exploit this vulnerability to command injection.
Remediation	Monitor vendor advisories for a patch. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Identify and inventory all 521G devices running affected firmware versions and isolate critical instances from production networks if feasible. …

Threat intelligence, references, and detailed analysis are available after sign-in.

CVE-2026-2182 vulnerability details – vuln.today

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521g Firmware CVE-2026-2182

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

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Attack ChainAIDerived

Vulnerability AssessmentAI

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External POC / Exploit Code