Null Pointer Dereference Vulnerability in D-Link Access Points
CVE-2021-28838

7.5HIGH

Key Information:

Vendor

D-Link
Status
Dap-2310 Firmware
Vendor
CVE Published:
10 August 2021

What is CVE-2021-28838?

A null pointer dereference vulnerability has been identified in various D-Link DAP series access points, specifically in the sbin/httpd binary. An exploit occurs during the atoi operation when specific network packets are sent to the httpd binary, leading to a potential application crash. This vulnerability affects several models, making it crucial for users to ensure their devices are updated to prevent unauthorized access or service disruption.

References

https://www.dlink.com/en/security-bulletin/
x_refsource_MISC
https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-c...
x_refsource_MISC
https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-c...
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.