Unauthenticated memory corruption via crafted list parameter
Published Aug 24, 2023 · Updated Oct 2, 2024
Stack-based buffer overflow in Tenda AC8 v4.0 firmware 16.03.34.06 allows remote attackers to corrupt memory via a crafted request. The /goform/SetNetControlList handler processes the list parameter into a stack buffer, but the public record does not identify the responsible copy operation or destination size. No authentication or user interaction is required, and the published evidence does not establish whether exploitation yields code execution or only a crash.
Summary
What happened
Stack-based buffer overflow in Tenda AC8 v4.0 firmware 16.03.34.06 allows remote attackers to corrupt memory via a crafted request. The /goform/SetNetControlList handler processes the list parameter into a stack buffer, but the public record does not identify the responsible copy operation or destination size. No authentication or user interaction is required, and the published evidence does not establish whether exploitation yields code execution or only a crash.
The record
- CVE
- CVE-2023-40900
- Published
- Aug 24, 2023
- Updated
- Oct 2, 2024
- Vendor
- Shenzhen Tenda Technology Co., Ltd.
- Product
- AC8 v4.0
- Classifications
- CWE-787, T1190
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Aug 24, 2023CVE publishedPublication date reported by the CVE source.
- Oct 2, 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=us_ac8v4.0si_v16.03.34.06_cn
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
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
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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