Authenticated memory corruption via unchecked schedule-time 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 a crafted schedule request. The setSchedWifi handler passes the POST-controlled schedStartTime value to strcpy, copying it into the fixed 25-byte wlan_switch->begin_time buffer without a length check. Access to the router management interface is required; the public proof of concept overwrites the buffer but does not demonstrate code execution.
Summary
What happened
Stack-based buffer overflow in Tenda AC10U 15.03.06.49 allows remote authenticated users to corrupt memory via a crafted schedule request. The setSchedWifi handler passes the POST-controlled schedStartTime value to strcpy, copying it into the fixed 25-byte wlan_switch->begin_time buffer without a length check. Access to the router management interface is required; the public proof of concept overwrites the buffer but does not demonstrate code execution.
The record
- CVE
- CVE-2024-2710
- Published
- Mar 20, 2024
- Updated
- Aug 21, 2024
- Vendor
- Shenzhen Tenda Technology Co., Ltd.
- Product
- AC10U
- Classifications
- CWE-121, CWE-787
- 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
- setSchedWifi_start proof of conceptproof of concept · demonstrated
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Technologies
Your stack
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Your stack
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