Vulnerability · Published Sep 5, 2025 · Assigned by arcinfo
CVE-2025-9998Improper validation of packets sequencing
Medium 6.0
In plain English
A medium-severity security flaw in PcVue from arcinfo. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 19% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS 4.0)6.0Medium
Exploit odds (30 days)0.3%top 81.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC
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.
Affected products (as reported)
Weakness: CWE-754 · Vector: CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:U/RE:M/U:Green
References
- https://www.pcvue.com/security/#SB2025-4 vendor-advisory