Authenticated command execution via unfiltered VPN fields
Published Aug 12, 2024 · Updated Aug 15, 2024
OS command injection in TOTOLINK X5000R Firmware 9.1.0cu.2350_b20230313 allows remote authenticated users to execute commands. setModifyVpnUser passes attacker-controlled authenticate, username, and password values without validation to Uci_Set_Str, which formats a uci command that reaches CsteSystem and execv. Access to authenticated router management is required; successful exploitation runs arbitrary operating-system commands with the firmware service's privileges.
Summary
What happened
OS command injection in TOTOLINK X5000R Firmware 9.1.0cu.2350_b20230313 allows remote authenticated users to execute commands. setModifyVpnUser passes attacker-controlled authenticate, username, and password values without validation to Uci_Set_Str, which formats a uci command that reaches CsteSystem and execv. Access to authenticated router management is required; successful exploitation runs arbitrary operating-system commands with the firmware service's privileges.
The record
- CVE
- CVE-2024-42744
- Published
- Aug 12, 2024
- Updated
- Aug 15, 2024
- Vendor
- TOTOLINK
- Product
- TOTOLINK X5000R Firmware
- Classifications
- CWE-78, T1059
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Aug 12, 2024CVE publishedPublication date reported by the CVE source.
- Aug 15, 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=9.1.0cu.2350_b20230313
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
- HouseFuzz setModifyVpnUser 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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