Unauthenticated memory corruption via unbounded list copy
Published Sep 16, 2022 · Updated Aug 3, 2024
Buffer overflow in Tenda RX9 Pro firmware 22.03.02.10 allows remote attackers to corrupt httpd memory via a crafted HTTP request. SetNetControlList takes the list POST parameter, passes it to sub_43157C, and calls strcpy without checking its length. No authentication or user interaction is required; public evidence does not establish whether exploitation stops at an httpd crash or enables code execution.
Summary
What happened
Buffer overflow in Tenda RX9 Pro firmware 22.03.02.10 allows remote attackers to corrupt httpd memory via a crafted HTTP request. SetNetControlList takes the list POST parameter, passes it to sub_43157C, and calls strcpy without checking its length. No authentication or user interaction is required; public evidence does not establish whether exploitation stops at an httpd crash or enables code execution.
The record
- CVE
- CVE-2022-38831
- Published
- Sep 16, 2022
- Updated
- Aug 3, 2024
- Vendor
- Unknown vendor
- Product
- Unknown product
- Classifications
- CWE-120, T1190
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Sep 16, 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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Is a vulnerable build present?
What conditions does exploitation require?
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.
Weakness, pattern, technique
Public exploit references
- SetNetControlList overlong-list HTTP proof of conceptproof of concept · unverified
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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