PT-2023-5764 · D Link · D-Link Dir-823G

Published 2023-10-05 · Updated 2023-10-06 · CVE-2023-44839

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions D-Link DIR-823G version A1V1.0.2B05

Description The issue is related to a buffer overflow in the SetWLanRadioSecurity function via the Encryption parameter. This allows attackers to cause a Denial of Service (DoS) via a crafted input. The vulnerability can be exploited by a remote attacker.

Recommendations For D-Link DIR-823G version A1V1.0.2B05, as a temporary workaround, consider disabling the SetWLanRadioSecurity function until a patch is available. Restrict access to the Encryption parameter in the affected function to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Weakness Enumeration

CWE-119

CWE-120

Related Identifiers

BDU:2023-06446

CVE-2023-44839

Affected Products

D-Link Dir-823G

References · 7

• 🔥❌ https://github.com/bugfinder0/public_bug/tree/main/dlink/dir823g/SetWLanRadioSecurity_Encryption · Exploit, Deleted
• https://dlink.com/en/security-bulletin · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-06446 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-44839 · Security Note
• https://osv.dev/vulnerability/CVE-2023-44839 · Vendor Advisory
• https://twitter.com/CVEnew/status/1709966875759620494 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1710006652991086723 · Twitter Post