Buffer Overflow in D-Link DIR-823G Router
CVE-2023-44838

7.5HIGH

Key Information:

Vendor

D-Link
Status
Dir-823g Firmware
Vendor
CVE Published:
5 October 2023

What is CVE-2023-44838?

The D-Link DIR-823G A1V1.0.2B05 router is vulnerable to a buffer overflow caused by improper handling of the TXPower parameter in the SetWLanRadioSettings function. This vulnerability can be exploited by attackers to send specially crafted input, which may lead to a Denial of Service (DoS) condition, disrupting normal operation of the device. It is crucial for users of the affected router to apply security updates provided by D-Link to mitigate potential risks.

References

https://www.dlink.com/en/security-bulletin/
https://github.com/bugfinder0/public_bug/tree/main/dlink/...

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

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CVE-2023-44838 : Buffer Overflow in D-Link DIR-823G Router