CVE-2022-25949

HIGHNVD 7.87.8—Elevated

7.8

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.

CVSS v3: 7.8
EG Score: 7.8(medium)
EPSS: 80.4%
KEV: Not listed

Published

March 17, 2022

Last Modified

November 21, 2024

References (4)

vultures@jpcerthttps://jvn.jp/en/jp/JVN21234459/
vultures@jpcerthttps://support.kingsoft.jp/support-info/weakness.html
af854a3a-2127-422b-91ae-364da2661108https://jvn.jp/en/jp/JVN21234459/
af854a3a-2127-422b-91ae-364da2661108https://support.kingsoft.jp/support-info/weakness.html

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 14× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
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2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 01:25 UTCEG score recompute

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

GitHub PoCtandasat/CVE-2022-25949
First seen Mar 16, 2022
A years-old exploit of a local EoP vulnerability in Kingsoft Antivirus KWatch Driver version 2009.3.17.77.
Open source ↗

Frequently asked(5)

What is CVE-2022-25949?

CVE-2022-25949 is a high vulnerability published on March 17, 2022. 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.

When was CVE-2022-25949 disclosed?

CVE-2022-25949 was first published in the National Vulnerability Database on March 17, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-25949 actively exploited?

CVE-2022-25949 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 80.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-25949?

CVE-2022-25949 has a CVSS v3 base score of 7.8 (NVD).

How do I remediate CVE-2022-25949?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-25949, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2022-25949

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(2)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-25949?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same CWE)