PT-2024-1953 · D Link · D-Link Dir-823G

Published 2024-02-26 · Updated 2024-08-01 · CVE-2024-27661

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 null-pointer dereferences in the sub 4484A8() function, which can be exploited by an attacker to cause a Denial of Service (DoS) via a crafted input. This can be achieved by sending a specially crafted request, potentially allowing a remote attacker to disrupt service.

Recommendations For D-Link DIR-823G version A1V1.0.2B05, consider disabling the sub 4484A8() function as a temporary workaround until a patch is available. Restrict access to the vulnerable 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

NULL Pointer Dereference

Weakness Enumeration

CWE-395

CWE-476

Related Identifiers

BDU:2024-01762

CVE-2024-27661

Affected Products

D-Link Dir-823G

References · 8

• 🔥 https://calm-healer-839.notion.site/D-LINK-DIR-823G-NPD-0x42444C-34458f12482346b291f334eea12e6fd0?pvs=4 · Exploit
• https://osv.dev/vulnerability/CVE-2024-27661 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-27661 · Security Note
• https://bdu.fstec.ru/vul/2024-01762 · Security Note
• https://t.me/cvenotify/72781 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1763327981777199508 · Twitter Post
• https://github.com/advisories/GHSA-77jp-g8vw-f6xm · Note
• https://twitter.com/CVEnew/status/1763287534958674184 · Twitter Post