CVE-2021-34829 — HIGH (8.8)

Vulnerability 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.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Dlink	Dap-1330 Firmware	1.13b01
Dlink	Dap-1330	-

Related Weaknesses (CWE)

CWE-120

References

https://www.zerodayinitiative.com/advisories/ZDI-21-681/Third Party AdvisoryVDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-21-681/Third Party AdvisoryVDB Entry

FAQ

What is CVE-2021-34829?

CVE-2021-34829 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 vulnera...

How severe is CVE-2021-34829?

CVE-2021-34829 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-34829?

Check the references section above for vendor advisories and patch information. Affected products include: Dlink Dap-1330 Firmware, Dlink Dap-1330.