Credential disclosure via plaintext SPI flash storage
Published Sep 10, 2024 · Updated Sep 10, 2024
Plaintext credential storage in Skyworth Digital CM5100 4.1.1.24 allows physically proximate attackers to obtain router credentials. The firmware writes the web-portal login and Wi-Fi access-point credentials in plaintext at known offsets in the W25Q64JV SPI flash. Physical teardown, flash-chip removal, and programmer-assisted reading expose even user-changed credentials, enabling access to the web portal and Wi-Fi network.
Summary
What happened
Plaintext credential storage in Skyworth Digital CM5100 4.1.1.24 allows physically proximate attackers to obtain router credentials. The firmware writes the web-portal login and Wi-Fi access-point credentials in plaintext at known offsets in the W25Q64JV SPI flash. Physical teardown, flash-chip removal, and programmer-assisted reading expose even user-changed credentials, enabling access to the web portal and Wi-Fi network.
The record
- CVE
- CVE-2024-44815
- Published
- Sep 10, 2024
- Updated
- Sep 10, 2024
- Vendor
- Skyworth Digital
- Product
- CM5100
- Classifications
- CWE-256, CWE-522
- Attack vector
- physical
- Privileges
- unauthenticated
Timeline
How it unfolded
- Sep 10, 2024CVE publishedPublication date reported by the CVE source.
- Sep 10, 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?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=4.1.1.24
What conditions does exploitation require?
What is affected?
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
- SPI flash credential extraction proof of conceptfunctional · demonstrated
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Technologies
Your stack
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Your stack
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