CVE-2021-34863
Assigner: zdi
Published: 2021-10-25T17:10:50
State: PUBLISHED
affected: product: DAP-2020
vendor: D-Link
versions: status: affected
version: 1.01rc001
credits: value: chung96vn
descriptions: value: This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-2020 1.01rc001 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the var:page parameter provided to the webproc endpoint. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-13271.
metrics: cvssV3_0: attackComplexity: LOW
attackVector: ADJACENT_NETWORK
availabilityImpact: HIGH
baseScore: 8.8
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
version: 3.0
problemTypes: descriptions: cweId: CWE-121
description: CWE-121: Stack-based Buffer Overflow
type: CWE