CVE-2023-31983Public exploitNetwork attack vector

Unauthenticated command injection via mp

Published May 12, 2023 · Updated Jan 24, 2025

Command injection in Edimax Wireless Router N300 Firmware BR-6428NS_v4 allows remote attackers to execute arbitrary code via network requests to the mp function. The /bin/webs mp handler passes attacker-controlled input into command execution without limitation or adequate neutralization. The flaw requires no authentication or user interaction and can result in compromise of confidentiality, integrity, and availability.

CVSS severity9.8
Critical
EPSS probability24.90%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Command injection in Edimax Wireless Router N300 Firmware BR-6428NS_v4 allows remote attackers to execute arbitrary code via network requests to the mp function. The /bin/webs mp handler passes attacker-controlled input into command execution without limitation or adequate neutralization. The flaw requires no authentication or user interaction and can result in compromise of confidentiality, integrity, and availability.

The record

CVE
CVE-2023-31983
Published
May 12, 2023
Updated
Jan 24, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-77, T1059
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 12, 2023CVE publishedPublication date reported by the CVE source.
  2. Jan 24, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

9.8NVDCVSS: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.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')
T1059Command and Scripting Interpreter

Public exploit references

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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