CVE-2024-7673: A maliciously crafted DWFX file, when parsed in w3dtk.dll through Autodesk Navisworks, can force a Heap-based

Routine

HIGH 7.8DOWNGRADE

CVE-2024-7673 is a high-severity flaw (CVSS 7.8) affecting navisworks. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A maliciously crafted DWFX file, when parsed in w3dtk.dll through Autodesk Navisworks, can force a Heap-based Buffer Overflow. A malicious actor can leverage this vulnerability to cause a crash or execute arbitrary code in the context of the current process.

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.2% (top 86%)
CISA exploited list	No
Weakness	CWE-122, CWE-787
Published	2024-09-30
Last modified	2026-06-17

Publisher (CNA): Autodesk · Vendor: autodesk

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-09-30 21:15 UTCPublished CVE record published
2026-06-17 08:20 UTCUpdated Record last modified

autodesk navisworks DOWNGRADE

Affected: 2025 · 2025.1 · 2025.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 2025

1. Check installed version

apt-cache policy navisworks || rpm -q navisworks || navisworks --version

2. No fixed release: DOWNGRADE to a release before 2025 (Debian / Ubuntu)

apt-cache madison navisworks sudo apt install navisworks=<VERSION_BEFORE_2025> sudo apt-mark hold navisworks

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list navisworks sudo dnf downgrade navisworks-<VERSION_BEFORE_2025> sudo dnf versionlock add navisworks

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-7673?

navisworks: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-7673 being exploited?

CVE-2024-7673 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-7673 affect?

CVE-2024-7673 affects navisworks. Severity is high (CVSS 7.8). A maliciously crafted DWFX file, when parsed in w3dtk.dll through Autodesk Navisworks, can force a Heap-based Buffer Overflow. A malicious actor can leverage this vulnerability to cause a crash or execute arbitrary code in the context of th

How urgent is CVE-2024-7673?

Priority 31/100. High severity

Related CVEs

CVE-2025-1660 HIGH 7.8 UPGRADE A maliciously crafted DWFX file, when parsed through Autodesk Navisworks, can force a Memory Corruption vulner
CVE-2025-1659 HIGH 7.8 UPGRADE A maliciously crafted DWFX file, when parsed through Autodesk Navisworks, can force an Out-of-Bounds Read vuln
CVE-2025-1658 HIGH 7.8 UPGRADE A maliciously crafted DWFX file, when parsed through Autodesk Navisworks, can force an Out-of-Bounds Read vuln
CVE-2024-7675 HIGH 7.8 DOWNGRADE A maliciously crafted DWF file, when parsed in w3dtk.dll through Autodesk Navisworks, can force a Use-After-Fr
CVE-2024-7674 HIGH 7.8 DOWNGRADE A maliciously crafted DWFX file, when parsed in dwfcore.dll through Autodesk Navisworks, can force a Heap-base

References

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