Unauthenticated adjacent-network stack overflow
Published Apr 16, 2020 · Updated Aug 5, 2024
Buffer overflow in NETGEAR router firmware before listed fixed releases allows remote unauthenticated attackers to execute code via crafted network requests. NETGEAR identifies a pre-authentication stack-based overflow but does not publish the specific request handler or unchecked operation that corrupts the stack. Exploitation requires adjacent-network access to a vulnerable router interface; the published CVSS impact covers confidentiality, integrity, and availability, while the advisory does not document observed exploitation.
Summary
What happened
Buffer overflow in NETGEAR router firmware before listed fixed releases allows remote unauthenticated attackers to execute code via crafted network requests. NETGEAR identifies a pre-authentication stack-based overflow but does not publish the specific request handler or unchecked operation that corrupts the stack. Exploitation requires adjacent-network access to a vulnerable router interface; the published CVSS impact covers confidentiality, integrity, and availability, while the advisory does not document observed exploitation.
The record
- CVE
- CVE-2019-20683
- Published
- Apr 16, 2020
- Updated
- Aug 5, 2024
- Vendor
- Unknown vendor
- Product
- Unknown product
- Classifications
- T1190
- Attack vector
- adjacent
- Privileges
- unauthenticated
Timeline
How it unfolded
- Apr 16, 2020CVE publishedPublication date reported by the CVE source.
- Aug 5, 2024Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
What conditions does exploitation require?
What is affected?
Affected products and versions are unavailable in this record.
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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