CVE-2026-2168: medium-severity vulnerability in D-Link DWR-M921
D-Link DWR-M921 formLtefotaUpgradeQuectel sub_419920 command injection
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.3epss 3.8%
A flaw has been found in D-Link DWR-M921 1.1.50. This affects the function sub_419920 of the file /boafrm/formLtefotaUpgradeQuectel. This manipulation of the argument fota_url causes command injection. It is possible to initiate the attack remotely. The exploit has been published and may be used.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
D-Link · DWR-M921Related CVEs — D-Link DWR-M921
In the same product, most dangerous first.
CVE-2026-2085HIGHD-Link DWR-M921 USSD Configuration Endpoint formUSSDSetup sub_419F20 command injectionEPSS 10.5%CVE-2025-13306MEDIUMD-Link DWR-M920/DWR-M921/DIR-822K/DIR-825M formDebugDiagnosticRun system command injectionEPSS 8.3%CVE-2025-13305HIGHD-Link DWR-M920/DWR-M921/DWR-M960/DIR-822K/DIR-825M formTracerouteDiagnosticRun buffer overflowEPSS 3.9%CVE-2026-90703CRITICALD-Link DWR-M921 formDiskCreateShare system os command injectionEPSS 3.6%CVE-2026-90702CRITICALD-Link DWR-M921 formDiskFormat system os command injectionEPSS 3.6%CVE-2026-2169MEDIUMD-Link DWR-M921 formLtefotaUpgradeFibocom command injectionEPSS 3.4%