CVE-2025-9998 Improper validation of packets sequencing
Attackers can cause a denial of service in PcVue by sending specially crafted packets due to improper sequence validation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-9998?
CVE-2025-9998 is a medium-severity denial of service vulnerability in arcinfo PcVue, published on 5 Sep 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The sequence of packets received by a Networking server are not correctly checked.
An attacker could exploit this vulnerability to send specially crafted messages to force the application to stop.
Weakness: CWE-754
Which versions are affected by CVE-2025-9998?
How do I fix CVE-2025-9998?
No fix has been published for CVE-2025-9998 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-9998 being exploited?
There is no known exploitation of CVE-2025-9998 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-x75f-chmc-5vjc.