CVE-2023-50677

Privilege escalation via next_file parameter

Published Mar 14, 2024 · Updated Aug 14, 2024

Improper privilege management in NETGEAR DGND4000 Firmware 1.1.00.15_1.00.15 allows remote attackers to escalate privileges via next_file. The public record identifies /setup.cgi and its next_file parameter, but it does not disclose the incorrect privilege check or processing operation. Exploitation requires adjacent-network access without authentication or user interaction and grants elevated control over router functions.

CVSS severity8.8
High
EPSS probability0.32%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper privilege management in NETGEAR DGND4000 Firmware 1.1.00.15_1.00.15 allows remote attackers to escalate privileges via next_file. The public record identifies /setup.cgi and its next_file parameter, but it does not disclose the incorrect privilege check or processing operation. Exploitation requires adjacent-network access without authentication or user interaction and grants elevated control over router functions.

The record

CVE
CVE-2023-50677
Published
Mar 14, 2024
Updated
Aug 14, 2024
Vendor
NETGEAR
Product
NETGEAR DGND4000 Firmware
Classifications
CWE-269, T1068
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 14, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 14, 2024Record 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=1.1.00.15_1.00.15

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesunauthenticated

What is affected?

NETGEAR · NETGEAR DGND4000 Firmwareversion=1.1.00.15_1.00.15

Published CVSS scores

8.8CISA-ADPCVSS:3.1/AV:A/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)
Vectoradjacent
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-269Improper Privilege Management
T1068Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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