CVE-2025-9974

Authenticated command execution via unvalidated WEBUI input

Published Feb 2, 2026 · Updated Feb 2, 2026

OS command injection in Nokia Fiber ONT before BBDR2503 allows remote authenticated users to execute arbitrary system commands. The unified WEBUI passes insufficiently validated user-supplied data into system-level command execution on the underlying device operating system. Adjacent-network reachability and low-privileged WEBUI credentials are required, and successful exploitation exposes device data and operations to arbitrary commands.

CVSS severity8.0
High
EPSS probability0.42%
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 Nokia Fiber ONT before BBDR2503 allows remote authenticated users to execute arbitrary system commands. The unified WEBUI passes insufficiently validated user-supplied data into system-level command execution on the underlying device operating system. Adjacent-network reachability and low-privileged WEBUI credentials are required, and successful exploitation exposes device data and operations to arbitrary commands.

The record

CVE
CVE-2025-9974
Published
Feb 2, 2026
Updated
Feb 2, 2026
Vendor
Nokia
Product
Fiber ONT
Classifications
CWE-78, T1059
Attack vector
adjacent
Privileges
authenticated

Timeline

How it unfolded

  1. Feb 2, 2026CVE publishedPublication date reported by the CVE source.
  2. Feb 2, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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

  1. Affected versionversion=Releases prior to BBDR2503

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesauthenticated

What is affected?

Nokia · Fiber ONTversion=Releases prior to BBDR2503

Published CVSS scores

8.0CISA-ADPCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
8.0NokiaCVSS:3.1/AV:A/AC:L/PR:L/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)
Vectoradjacent
Privilegesauthenticated
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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