Unauthenticated command execution via unsanitized IMEI parameter
Published Nov 13, 2025 · Updated Jul 5, 2026
Command injection in ToToLink LR1200GB firmware 9.1.0u.6619_B20230130 allows remote attackers to execute commands via an IMEI request. The cstecgi.cgi sub_41EC68 function checks only that imei is 15 characters long, interpolates it into a cli_atc command with sprintf(), and passes the result to system(). No authentication is required beyond network access to the router web interface, and injected shell metacharacters run arbitrary commands with the web process privileges.
Summary
What happened
Command injection in ToToLink LR1200GB firmware 9.1.0u.6619_B20230130 allows remote attackers to execute commands via an IMEI request. The cstecgi.cgi sub_41EC68 function checks only that imei is 15 characters long, interpolates it into a cli_atc command with sprintf(), and passes the result to system(). No authentication is required beyond network access to the router web interface, and injected shell metacharacters run arbitrary commands with the web process privileges.
The record
- CVE
- CVE-2025-60687
- Published
- Nov 13, 2025
- Updated
- Jul 5, 2026
- Vendor
- Unknown vendor
- Product
- Unknown product
- Classifications
- CWE-77, T1059.004, T1190
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Nov 13, 2025CVE publishedPublication date reported by the CVE source.
- Jul 5, 2026Record updatedLatest update available in the CVE record.
- Sep 7, 2026Exploitation reportedShadowserver honeypot HTTP scan activity
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
- CVE-2025-60687 HTTP proof of conceptproof of concept · unverified
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Reported exploitation
Technologies
Your stack
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Your stack
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