PT-2022-10033 · D Link · D-Link Dir-816 A2

Huanbin Ruan · Published 2022-03-23 · Updated 2022-07-12 · CVE-2021-31326

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions D-Link DIR-816 A2 version 1.10 B05

Description The issue allows unauthenticated attackers to arbitrarily reset the device. This can be achieved by sending a crafted tokenid parameter to the "/goform/form2Reboot.cgi" API endpoint.

Recommendations For D-Link DIR-816 A2 version 1.10 B05, avoid using the tokenid parameter in the "/goform/form2Reboot.cgi" API endpoint until the issue is resolved. As a temporary workaround, consider restricting access to the "/goform/form2Reboot.cgi" endpoint to minimize the risk of exploitation.

Exploit

Fix

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

CVE-2021-31326

Affected Products

D-Link Dir-816 A2

References · 5

• 🔥❌ https://github.com/GD008/vuln/blob/main/DIR-816_reset.md · Exploit, Deleted
• https://dlink.com/en/security-bulletin · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-31326 · Security Note
• https://osv.dev/vulnerability/CVE-2021-31326 · Vendor Advisory
• https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10240 · Vendor Advisory