Memory corruption via fgets buffer overflows
Published Aug 18, 2023 · Updated Oct 7, 2024
Buffer overflows in D-Link DIR-842 firmware fw_revA_1-02_eu_multi_20151008 allow remote attackers to corrupt memory via network input. The affected fgets processing writes input beyond the acStack_120 and acStack_220 stack buffers, but the unavailable researcher report leaves the request path and input fields undisclosed. No authentication or user interaction is required; the public record does not establish whether exploitation yields a crash or code execution.
Summary
What happened
Buffer overflows in D-Link DIR-842 firmware fw_revA_1-02_eu_multi_20151008 allow remote attackers to corrupt memory via network input. The affected fgets processing writes input beyond the acStack_120 and acStack_220 stack buffers, but the unavailable researcher report leaves the request path and input fields undisclosed. No authentication or user interaction is required; the public record does not establish whether exploitation yields a crash or code execution.
The record
- CVE
- CVE-2023-39666
- Published
- Aug 18, 2023
- Updated
- Oct 7, 2024
- Vendor
- D-Link
- Product
- DIR-842
- Classifications
- CWE-120
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Aug 18, 2023CVE publishedPublication date reported by the CVE source.
- Oct 7, 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?
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- Affected versionversion=fw_revA_1-02_eu_multi_20151008
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
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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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