CVE-2026-90702: OS Command Injection in D-Link DWR-M921
CVE-2026-90702 is a critical OS command injection vulnerability in D-Link DWR-M921 version 1.1.52. The flaw exists in the system function of the /boafrm/formDiskFormat file, where manipulation of the partition argument allows remote attackers to execute arbitrary OS commands. Exploit code has been published, but no known active exploitation in the wild is reported. The vulnerability has a high CVSS 4.0 score of 9.4, indicating severe impact if exploited.
AI Analysis
Technical Summary
This vulnerability affects D-Link DWR-M921 firmware version 1.1.52. It arises from improper sanitization of the partition argument in the system function within /boafrm/formDiskFormat, enabling remote OS command injection. An attacker can remotely trigger this flaw to execute arbitrary commands on the device. The exploit has been publicly disclosed, increasing the risk of exploitation. No patch or vendor advisory is provided in the input data.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary operating system commands on the affected device, potentially leading to full compromise of the device. This can result in unauthorized control, data manipulation, or disruption of device functionality.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict access to the device's management interfaces to trusted networks and users to reduce exposure.
CVE-2026-90702: OS Command Injection in D-Link DWR-M921
Description
CVE-2026-90702 is a critical OS command injection vulnerability in D-Link DWR-M921 version 1.1.52. The flaw exists in the system function of the /boafrm/formDiskFormat file, where manipulation of the partition argument allows remote attackers to execute arbitrary OS commands. Exploit code has been published, but no known active exploitation in the wild is reported. The vulnerability has a high CVSS 4.0 score of 9.4, indicating severe impact if exploited.
CVSS v4.0
Score 9.4critical
Affected software
D-Link
DWR-M921
cpe:2.3:h:d-link:dwr-m921:*:*:*:*:*:*:*:*AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects D-Link DWR-M921 firmware version 1.1.52. It arises from improper sanitization of the partition argument in the system function within /boafrm/formDiskFormat, enabling remote OS command injection. An attacker can remotely trigger this flaw to execute arbitrary commands on the device. The exploit has been publicly disclosed, increasing the risk of exploitation. No patch or vendor advisory is provided in the input data.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary operating system commands on the affected device, potentially leading to full compromise of the device. This can result in unauthorized control, data manipulation, or disruption of device functionality.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict access to the device's management interfaces to trusted networks and users to reduce exposure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-09-13T07:57:22.303Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6aa7c29755bf5e2cf5dbbb3a
Added to database: 09/14/2026, 09:47:03 UTC
Last enriched: 09/14/2026, 10:01:31 UTC
Last updated: 09/14/2026, 10:21:33 UTC
Views: 4
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.