CVE-2021-34829

Description

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-1330 1.13B01 BETA routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the HNAP_AUTH HTTP header. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length buffer. An attacker can leverage this vulnerability to execute code in the context of the device. Was ZDI-CAN-12065.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.17% Top 25%
Third-Party Advisory zerodayinitiative.com
Affected: D-Link DAP-1330
Published at:
Updated at:

References

Link Tags
https://www.zerodayinitiative.com/advisories/ZDI-21-681/ third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2021-34829?
CVE-2021-34829 has been scored as a high severity vulnerability.
How to fix CVE-2021-34829?
To fix CVE-2021-34829, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-34829 being actively exploited in the wild?
It is possible that CVE-2021-34829 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-34829?
CVE-2021-34829 affects D-Link DAP-1330.
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