Unauthenticated command execution via iface injection
Published Sep 11, 2024 · Updated Sep 11, 2024
Command injection in COMFAST CF-XR11 firmware 2.7.2 allows remote attackers to execute arbitrary commands through a crafted POST request. The sub_424CB4 handler places the iface value obtained by /usr/bin/webmgnt into the first substitution slot of a sed command without neutralizing shell metacharacters. No authentication or user interaction is required, and exploitation runs commands with the web management service's privileges.
Summary
What happened
Command injection in COMFAST CF-XR11 firmware 2.7.2 allows remote attackers to execute arbitrary commands through a crafted POST request. The sub_424CB4 handler places the iface value obtained by /usr/bin/webmgnt into the first substitution slot of a sed command without neutralizing shell metacharacters. No authentication or user interaction is required, and exploitation runs commands with the web management service's privileges.
The record
- CVE
- CVE-2024-44466
- Published
- Sep 11, 2024
- Updated
- Sep 11, 2024
- Vendor
- COMFAST
- Product
- CF-XR11 Firmware
- Classifications
- CWE-77, CWE-94, T1059.004
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Sep 11, 2024CVE publishedPublication date reported by the CVE source.
- Sep 11, 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=2.7.2
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.
Weakness, pattern, technique
Public exploit references
- CurryRaid CF-XR11 command-injection proof of conceptproof of concept · demonstrated
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Technologies
Your stack
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Your stack
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