CVE-2024-57545Public exploit

Authenticated service crash via unchecked stack copy

Published Jan 21, 2025 · Updated Jan 22, 2025

Stack buffer overflow in Linksys E8450 firmware 1.2.00.360516 allows remote authenticated users to crash the management process via portal.cgi. The sub_422eb8 JSON parser passes attacker-controlled hidden_dhcp_num data to strcpy without checking the destination stack buffer's capacity. Access to the authenticated management endpoint is required; an oversized field overwrites stack memory and crashes the handling process, interrupting the service.

CVSS severity5.5
Medium
EPSS probability0.43%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stack buffer overflow in Linksys E8450 firmware 1.2.00.360516 allows remote authenticated users to crash the management process via portal.cgi. The sub_422eb8 JSON parser passes attacker-controlled hidden_dhcp_num data to strcpy without checking the destination stack buffer's capacity. Access to the authenticated management endpoint is required; an oversized field overwrites stack memory and crashes the handling process, interrupting the service.

The record

CVE
CVE-2024-57545
Published
Jan 21, 2025
Updated
Jan 22, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-120, CAPEC-100, T1499
Attack vector
adjacent
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 21, 2025CVE publishedPublication date reported by the CVE source.
  2. Jan 22, 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 vectoradjacent
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

5.5CISA-ADPCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

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 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 exploitPublished

Weakness, pattern, technique

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CAPEC-100Overflow Buffers
T1499Endpoint Denial of Service

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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