CVE-2025-9999: high-severity vulnerability in arcinfo PcVue
Improper validation of payload elements
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.6epss 0.2%
Some payload elements of the messages sent between two stations in a networking architecture are not properly checked on the receiving station allowing an attacker to execute unauthorized commands in the application.
CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N/AU:Y/R:U/RE:M/U:Green
Affected products
arcinfo · PcVueRelated CVEs — arcinfo PcVue
In the same product, most dangerous first.
CVE-2026-1693MEDIUMUse of vulnerable Resource Owner Password Credentials flowEPSS 0.4%CVE-2024-12056LOWClient Secret not checked with OAuth Password grant typeEPSS 0.4%CVE-2025-9998MEDIUMImproper validation of packets sequencingEPSS 0.3%CVE-2026-1698MEDIUMHTTP Host header vulnerability in WebClient and WebScheduler web appsEPSS 0.2%CVE-2026-1695MEDIUMXSS vulnerability upon unsuccessful authenticationEPSS 0.2%CVE-2026-1694LOWServer configuration details in HTTP headersEPSS 0.2%
References
https://www.pcvue.com/security/#SB2025-4