Buffer overflow in Kingsoft Internet Security 9 Plus

CVE-2022-25949

The kernel mode driver kwatch3 of KINGSOFT Internet Security 9 Plus Version 2010.06.23.247 fails to properly handle crafted inputs, leading to stack-based buffer overflow.

Vulnerability class: Buffer Overflow

EPSS: 0.007 (50.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-25949?
CVE-2022-25949 is a high-severity vulnerability in Kingsoft Internet Security 9 Plus, classified under Stack-based Buffer Overflow. CVSS score: 7.8/10. Published 2022-03-17.
How severe is CVE-2022-25949?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2022-25949 known to be exploited?
13 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.