PT-2024-3294 · D Link · D-Link Dir-823G

Published 2024-04-29 · Updated 2024-07-03 · CVE-2024-33345

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 Null-pointer dereference in the main function of upload firmware.cgi, which can be exploited by remote attackers to cause a Denial of Service (DoS) via a crafted input. This can lead to a disruption in service.

Recommendations For D-Link DIR-823G version A1V1.0.2B05, as a temporary workaround, consider disabling the upload firmware.cgi function until a patch is available. Restrict access to the upload firmware.cgi endpoint 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-476

Related Identifiers

BDU:2024-03526

CVE-2024-33345

Affected Products

D-Link Dir-823G

References · 7

• 🔥 https://github.com/n0wstr/IOTVuln/tree/main/DIR-823g/UploadFirmware · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2024-33345 · Security Note
• https://bdu.fstec.ru/vul/2024-03526 · Security Note
• https://osv.dev/vulnerability/CVE-2024-33345 · Vendor Advisory
• https://t.me/cvenotify/78439 · Telegram Post
• https://vuldb.com/ru/?id.262392 · Note
• http://dlink.com.cn/techsupport/ProductInfo.aspx?m=DIR-823G · Note