Vulnerability · Published Feb 8, 2026 · Assigned by VulDB
CVE-2026-2168D-Link DWR-M921 formLtefotaUpgradeQuectel sub_419920 command injection
Medium 6.3
In plain English
A medium-severity command injection in DWR-M921 from D-Link. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 3.8% (higher than 90% of all known vulnerabilities).
Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)3.8%top 10.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
Weakness: CWE-77, CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-344870 | D-Link DWR-M921 formLtefotaUpgradeQuectel sub_419920 command injection vdb-entry, technical-description
- VDB-344870 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #748838 | D-Link DWR-M921 V1.1.50 Command Injection third-party-advisory
- https://github.com/LX-66-LX/cve-new/issues/2 exploit, issue-tracking
- https://www.dlink.com/ product