Cyber Resilience

CVE-2024-33345

MediumPublic PoC

Published: 29 April 2024

Published
29 April 2024
Modified
21 May 2025
KEV Added
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Patch
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CVSS Score v3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS Score 0.0059 69.7th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-33345 is a medium-severity NULL Pointer Dereference (CWE-476) vulnerability in Dlink Dir-823G Firmware. Its CVSS base score is 6.5 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Application or System Exploitation (T1499.004); ranked in the top 30.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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.

CWE(s)
CWE-476

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1499.004 Application or System Exploitation Impact
Adversaries may exploit software vulnerabilities that can cause an application or system to crash and deny availability to users.
attack.mitre.org →
Why these techniques?

Null pointer dereference in upload_firmware.cgi enables remote exploitation of the router's web application to cause a denial of service crash.

Affected Assets

dlink
dir-823g firmware
1.0.2b05

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References