Authenticated router crash via unchecked list copy
Published Aug 25, 2022 · Updated Aug 3, 2024
Stack buffer overflow in Tenda AX12 22.03.01.21_CN allows remote authenticated users to crash the router via a crafted POST request. The /goform/SetIpMacBind handler passes the untrusted list parameter to sub_42FDE4, where strcpy copies it into a stack buffer without a length check. A valid management cookie and network access to the administrative interface are required; an oversized list value interrupts service availability on the device.
Summary
What happened
Stack buffer overflow in Tenda AX12 22.03.01.21_CN allows remote authenticated users to crash the router via a crafted POST request. The /goform/SetIpMacBind handler passes the untrusted list parameter to sub_42FDE4, where strcpy copies it into a stack buffer without a length check. A valid management cookie and network access to the administrative interface are required; an oversized list value interrupts service availability on the device.
The record
- CVE
- CVE-2022-37292
- Published
- Aug 25, 2022
- Updated
- Aug 3, 2024
- Vendor
- Unknown vendor
- Product
- Unknown product
- Classifications
- CWE-787, T1499
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Aug 25, 2022CVE publishedPublication date reported by the CVE source.
- Aug 3, 2024Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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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.
Public exploit references
- SetIpMacBind oversized-list denial-of-service proof of conceptproof of concept · demonstrated
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Technologies
Your stack
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Your stack
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