Authenticated command execution via unsanitized IMEI value
Published Jun 5, 2026 · Updated Jun 5, 2026
OS command injection in D-Link DWR-M920 firmware 1.1.50 and earlier allows remote authenticated users to execute shell commands via IMEI_value. The formIMEISetup handler inserts the POST parameter into an AT-command string with sprintf() and sends the result to system() without validation. A valid Boa web session and a supported installed modem are required; successful injection runs attacker-selected commands through /bin/sh on the router.
Summary
What happened
OS command injection in D-Link DWR-M920 firmware 1.1.50 and earlier allows remote authenticated users to execute shell commands via IMEI_value. The formIMEISetup handler inserts the POST parameter into an AT-command string with sprintf() and sends the result to system() without validation. A valid Boa web session and a supported installed modem are required; successful injection runs attacker-selected commands through /bin/sh on the router.
The record
- CVE
- CVE-2026-11341
- Published
- Jun 5, 2026
- Updated
- Jun 5, 2026
- Vendor
- D-Link
- Product
- DWR-M920
- Classifications
- CWE-78, CWE-77, T1059.004
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Jun 5, 2026CVE publishedPublication date reported by the CVE source.
- Jun 5, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
Compare your product and version with the public record. A matching version still requires validation against your environment.
Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=1.1.0
- Affected versionversion=1.1.1
- Affected versionversion=1.1.10
- Affected versionversion=1.1.11
- Affected versionversion=1.1.12
- Affected versionversion=1.1.13
- Affected versionversion=1.1.14
- Affected versionversion=1.1.15
- Affected versionversion=1.1.16
- Affected versionversion=1.1.17
- Affected versionversion=1.1.18
- Affected versionversion=1.1.19
- Affected versionversion=1.1.2
- Affected versionversion=1.1.20
- Affected versionversion=1.1.21
- Affected versionversion=1.1.22
- Affected versionversion=1.1.23
- Affected versionversion=1.1.24
- Affected versionversion=1.1.25
- Affected versionversion=1.1.26
- Affected versionversion=1.1.27
- Affected versionversion=1.1.28
- Affected versionversion=1.1.29
- Affected versionversion=1.1.3
- Affected versionversion=1.1.30
- Affected versionversion=1.1.31
- Affected versionversion=1.1.32
- Affected versionversion=1.1.33
- Affected versionversion=1.1.34
- Affected versionversion=1.1.35
- Affected versionversion=1.1.36
- Affected versionversion=1.1.37
- Affected versionversion=1.1.38
- Affected versionversion=1.1.39
- Affected versionversion=1.1.4
- Affected versionversion=1.1.40
- Affected versionversion=1.1.41
- Affected versionversion=1.1.42
- Affected versionversion=1.1.43
- Affected versionversion=1.1.44
- Affected versionversion=1.1.45
- Affected versionversion=1.1.46
- Affected versionversion=1.1.47
- Affected versionversion=1.1.48
- Affected versionversion=1.1.49
- Affected versionversion=1.1.5
- Affected versionversion=1.1.50
- Affected versionversion=1.1.6
- Affected versionversion=1.1.7
- Affected versionversion=1.1.8
- Affected versionversion=1.1.9
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
- DWR-M920 formIMEISetup command-injection reproductionfunctional · demonstrated
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
See the directory against your own environment.
Your stack
Check the software in your environment
Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.
Book a demo