8.6

CVE-2024-5974: watchguard fireware Classic Buffer Overflow

CVSS: 8.6v4.0HighModified
Published 09-07-2024Last modified 07-08-2026
Open JSON

Vulnerability summary

CVE-2024-5974 is a high (CVSS 8.6) Classic Buffer Overflow vulnerability in watchguard fireware. EPSS estimates a 1.05% chance of exploitation in the next 30 days, higher than 64% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.6/10
010
High · v4.0 (CVE.org)
EPSS score
1.05%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 09-07-2024
    PublishedVulnerability first disclosed.
  2. 07-08-2026
    Last modifiedVulnerability information updated.

Description

A buffer overflow in WatchGuard Fireware OS could may allow an authenticated remote attacker with privileged management access to execute arbitrary code with system privileges on the firewall. This issue affects Fireware OS: from 11.9.6 through 12.10.3.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.05%

Chance of exploitation in the next 30 days

Percentile

64%

Versus all other CVEs

30-day change

+0.01 pp

From 1.04% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.05%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Watchguard2 products
  • fireware≥ 11.9.4, < 12.5.12 | ≥ 12.6, < 12.10.4 | 12.5.12:u1
  • fireware os≥ 11.9.4, < 12.10.4 | ≥ 12.0, < 12.5.12+701324

1 vendor · 2 products

References

2 links