CVE-2022-25621Network attack vector

Remote command execution via maintenance console injection

Published Mar 11, 2022 · Updated Aug 3, 2024

OS command injection in NEC UNIVERGE WA firmware 8.2.11 and earlier allows remote attackers to execute arbitrary commands through maintenance consoles. The system maintenance feature accepts a special string or crafted URL request through its local, remote, or web console and reaches OS command execution. No authentication or user interaction is required; successful exploitation can also interrupt service on the appliance.

CVSS severity9.8
Critical
EPSS probability1.44%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

OS command injection in NEC UNIVERGE WA firmware 8.2.11 and earlier allows remote attackers to execute arbitrary commands through maintenance consoles. The system maintenance feature accepts a special string or crafted URL request through its local, remote, or web console and reaches OS command execution. No authentication or user interaction is required; successful exploitation can also interrupt service on the appliance.

The record

CVE
CVE-2022-25621
Published
Mar 11, 2022
Updated
Aug 3, 2024
Vendor
NEC Platforms, Ltd.
Product
UNIVERGE DT
Classifications
CWE-78, T1059
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 11, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=UNIVERGE WA 1020 Ver8.2.11 and prior, UNIVERGE WA 1510 Ver8.2.11 and prior, UNIVERGE WA 1511 Ver8.2.11 and prior, UNIVERGE WA 1512 Ver8.2.11 and prior, UNIVERGE WA 2020 Ver8.2.11 and prior, UNIVERGE WA 2021 Ver8.2.11 and prior, UNIVERGE WA 2610-AP Ver8.2.11 and prior, UNIVERGE WA 2611-AP Ver8.2.11 and prior, UNIVERGE WA 2611E-AP Ver8.2.11 and prior, UNIVERGE WA WA2612-AP Ver8.2.11 and prior,

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

NEC Platforms, Ltd. · UNIVERGE DTversion=UNIVERGE WA 1020 Ver8.2.11 and prior, UNIVERGE WA 1510 Ver8.2.11 and prior, UNIVERGE WA 1511 Ver8.2.11 and prior, UNIVERGE WA 1512 Ver8.2.11 and prior, UNIVERGE WA 2020 Ver8.2.11 and prior, UNIVERGE WA 2021 Ver8.2.11 and prior, UNIVERGE WA 2610-AP Ver8.2.11 and prior, UNIVERGE WA 2611-AP Ver8.2.11 and prior, UNIVERGE WA 2611E-AP Ver8.2.11 and prior, UNIVERGE WA WA2612-AP Ver8.2.11 and prior,

Published CVSS scores

7.5NIST NVDAV:N/AC:L/Au:N/C:P/I:P/A:P
9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
T1059Command and Scripting Interpreter

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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