CVE-2021-34828 — 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 SOAPAction 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-12066.

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-21-680/Third Party AdvisoryVDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-21-680/Third Party AdvisoryVDB Entry

FAQ

What is CVE-2021-34828?

CVE-2021-34828 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-2021-34828?

CVE-2021-34828 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-2021-34828?

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