CVE-2022-21742 (GCVE-0-2022-21742)
Vulnerability from cvelistv5 – Published: 2022-06-20 05:30 – Updated: 2024-09-17 01:36
VLAI
EPSS
VEX
Title
Realtek USB FE/1GbE/2.5GbE/5GbE NIC Family - Buffer Overflow
Summary
Realtek USB driver has a buffer overflow vulnerability due to insufficient parameter length verification in the API function. An unauthenticated LAN attacker can exploit this vulnerability to disrupt services.
Severity
6.2 (Medium)
CWE
- CWE-120 - Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.twcert.org.tw/tw/cp-132-6057-1cd0d-1.html | x_refsource_MISC |
Impacted products
3 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Realtek | USB FE/1GbE/2.5GbE/5GbE NIC Family |
Affected:
10.28 , ≤ 10.39
(custom)
|
guessed | |
| Realtek | USB FE/1GbE/2.5GbE/5GbE NIC Family |
Affected:
8.49 , ≤ 8.60
(custom)
|
guessed | |
| Realtek | USB FE/1GbE/2.5GbE/5GbE NIC Family |
Affected:
7.42 , ≤ 7.53
(custom)
|
guessed |
Date Public
2022-04-26 00:00
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Party Advisory\"]},{\"url\":\"https://www.twcert.org.tw/tw/cp-132-6057-1cd0d-1.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}",
"redhat_vex": {
"current_release_date": "2026-03-27T12:55:03+00:00",
"cve": "CVE-2022-21742",
"id": "CVE-2022-21742",
"initial_release_date": "2022-04-26T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "Realtek USB FE/1GbE/2.5GbE/5GbE NIC Family - Buffer Overflow",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-21742.json",
"version": "3"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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