Improper validation of payload elements

published 2025-09-05 14 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-27012

cvss: 7.6; version 4.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 5%
public exploits: 0; none known

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.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 14 mo ago (2025-09-05)

Exploit prediction

0.16% chance of exploitation in the next 30 days, higher than 5% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	4.0	7.6	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
CNA	4.0	7.6	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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:U/V:X/RE:M/U:Green

Affected products

arcinfo PcVue

Classification

Weakness

CWE-940 Improper Verification of Source of a Communication Channel
CWE-1288 Improper Validation of Consistency within Input

References

pcvue.com /security/#SB2025-4
vendor-advisory

Sources

CVE List CVE-2025-9999
NVD CVE-2025-9999

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Summary