PT-2023-4465 · D Link · D-Link Dir-842+1

CVE-2023-39666

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Published

2023-08-17

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Updated

2023-08-25

CVSS v3.1

9.8

Critical

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions D-Link DIR-842 version fw revA 1-02 eu multi 20151008 D-Link DIR-880 version A1
Description The issue is related to buffer overflow errors in the fgets function of the D-Link DIR-880 and DIR-842 firmware. This can be exploited by a remote attacker to execute arbitrary code. The vulnerability is specifically related to the acStack 120 and acStack 220 parameters.
Recommendations For D-Link DIR-842 version fw revA 1-02 eu multi 20151008, consider disabling the fgets function until a patch is available. For D-Link DIR-880 version A1, restrict access to the vulnerable acStack 120 and acStack 220 parameters to minimize the risk of exploitation. As a temporary workaround, avoid using the acStack 120 and acStack 220 parameters in the affected API endpoint until the issue is resolved.

Fix

Buffer Overflow

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Weakness Enumeration

Related Identifiers

BDU:2023-04860
CVE-2023-39666

Affected Products

D-Link Dir-842
D-Link Dir-880L