What is CVE-2024-33345?

CVE-2024-33345 is a medium-severity vulnerability in Dlink Dir-823g, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2024-04-29.

How severe is CVE-2024-33345?

Medium severity. CVSS v3 base score is 6.5 out of 10.

NULL pointer dereference in Dlink Dir-823g

CVE-2024-33345

D-Link DIR-823G A1V1.0.2B05 was found to contain a Null-pointer dereference in the main function of upload_firmware.cgi, which allows remote attackers to cause a Denial of Service (DoS) via a crafted input.

Published 2024-04-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.008 (54.4th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Dlink Dir-823g — versions a1
Dlink Dir-823g Firmware — versions 1.0.2b05

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

www.dlink.com.cn/techsupport/ProductInfo.aspx (Product)
github.com/n0wstr/IOTVuln/tree/main/DIR-823g/UploadFirmware (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2024-33345?: CVE-2024-33345 is a medium-severity vulnerability in Dlink Dir-823g, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2024-04-29.
How severe is CVE-2024-33345?: Medium severity. CVSS v3 base score is 6.5 out of 10.