CVE-2024-5974Network attack vector

System code execution via undisclosed buffer overflow

Published Jul 9, 2024 · Updated Aug 7, 2026

Buffer overflow in WatchGuard Fireware OS allows remote authenticated users with privileged management access to execute code as system. WatchGuard has not published the affected component, input field, or unchecked copy operation that causes the buffer overflow. Exploitation requires access to a network management interface and runs attacker-supplied code with system privileges on the firewall.

CVSS severity8.6
High
EPSS probability1.04%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Buffer overflow in WatchGuard Fireware OS allows remote authenticated users with privileged management access to execute code as system. WatchGuard has not published the affected component, input field, or unchecked copy operation that causes the buffer overflow. Exploitation requires access to a network management interface and runs attacker-supplied code with system privileges on the firewall.

The record

CVE
CVE-2024-5974
Published
Jul 9, 2024
Updated
Aug 7, 2026
Vendor
WatchGuard Technologies, Inc.
Product
Fireware OS
Classifications
CWE-120, CAPEC-242, T1068
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jul 9, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 7, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

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

  1. Affected versionversion=11.9.4 <12.10.4
  2. Affected versionversion=11.9.4 <=12.5.12_Update1
  3. Affected versionversion=12.0 <12.5.12+701324
  4. Affected versionversion=12.6.0 <=12.10.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

WatchGuard Technologies, Inc. · Fireware OSversion=11.9.4 <12.10.4; version=11.9.4 <=12.5.12_Update1; version=12.0 <12.5.12+701324; version=12.6.0 <=12.10.3

Published CVSS scores

8.6WatchGuard Technologies, Inc.CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
7.2WatchGuard Technologies, Inc.CVSS:3.1/AV:N/AC:L/PR:H/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)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CAPEC-242Code Injection
T1068Exploitation for Privilege Escalation

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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