Authenticated memory corruption via unbounded cmdinput copy
Published Mar 20, 2024 · Updated Aug 21, 2024
Stack-based buffer overflow in Tenda AC10U 15.03.06.49 allows remote authenticated users to corrupt memory via cmdinput. In formexeCommand, strcpy copies the request-controlled cmdinput value into the fixed 512-byte cmd_buf stack buffer without a length check. A low-privilege authenticated management session is required; the overwrite permits a service crash or altered process execution.
Summary
What happened
Stack-based buffer overflow in Tenda AC10U 15.03.06.49 allows remote authenticated users to corrupt memory via cmdinput. In formexeCommand, strcpy copies the request-controlled cmdinput value into the fixed 512-byte cmd_buf stack buffer without a length check. A low-privilege authenticated management session is required; the overwrite permits a service crash or altered process execution.
The record
- CVE
- CVE-2024-2708
- Published
- Mar 20, 2024
- Updated
- Aug 21, 2024
- Vendor
- Shenzhen Tenda Technology Co., Ltd.
- Product
- AC10U
- Classifications
- CWE-121, T1210
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Mar 20, 2024CVE publishedPublication date reported by the CVE source.
- Aug 21, 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=15.03.06.49
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.
Public exploit references
- Tenda AC10U formexeCommand proof of conceptproof of concept · unverified
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Technologies
Your stack
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Your stack
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