CVE-2024-1404

Unauthenticated device information disclosure via SysInfo.htm

Published Feb 9, 2024 · Updated May 15, 2025

Information disclosure in Linksys WRT54GL 4.30.18 allows remote attackers to read device details through the /SysInfo.htm page. The web management interface serves this diagnostic page without authentication, exposing firmware, radio, network, and device identifiers. Access requires network reachability to the management service; published evidence reports no configuration changes or service interruption.

CVSS severity4.3
Medium
EPSS probability0.77%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in Linksys WRT54GL 4.30.18 allows remote attackers to read device details through the /SysInfo.htm page. The web management interface serves this diagnostic page without authentication, exposing firmware, radio, network, and device identifiers. Access requires network reachability to the management service; published evidence reports no configuration changes or service interruption.

The record

CVE
CVE-2024-1404
Published
Feb 9, 2024
Updated
May 15, 2025
Vendor
Linksys
Product
WRT54GL
Classifications
CWE-200
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 9, 2024CVE publishedPublication date reported by the CVE source.
  2. May 15, 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?

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

  1. Affected versionversion=4.30.18

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesunauthenticated

What is affected?

Linksys · WRT54GLversion=4.30.18

Published CVSS scores

4.3VulDBCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
7.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
4.3VulDBCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
3.3VulDBAV:A/AC:L/Au:N/C:P/I:N/A:N

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-200Exposure of Sensitive Information to an Unauthorized Actor

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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