Stack Buffer Overflow in D-Link DIR-809 Devices
CVE-2021-33265

9.8CRITICAL

Key Information:

Vendor

D-Link
Status
Dir-809 Firmware
Vendor
CVE Published:
1 December 2021

What is CVE-2021-33265?

D-Link DIR-809 devices are susceptible to a stack buffer overflow vulnerability found in the firmware, specifically within the function FUN_80046eb4 in the /formSetPortTr endpoint. This vulnerability can be exploited by sending a specially crafted POST request, potentially allowing an attacker to execute arbitrary code. It is crucial for users to apply the latest firmware updates to mitigate the risk associated with this security issue.

References

https://www.dlink.com/en/security-bulletin/
x_refsource_MISC
https://github.com/Lnkvct/IoT-poc/tree/master/D-Link-DIR8...
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.