# CVE-2023-3836: Smart Park Management - RCE

> Live exploitation tracking for CVE-2023-3836 by the CrowdSec Live Exploit Tracker, built from real-world attack data crowdsourced from CrowdSec's global network.

Page: https://tracker.crowdsec.net/cves/CVE-2023-3836

## Key facts

- **Exploitation phase:** Limited Exploitation. The vulnerability is known but shows very limited attacker interest or exploitation activity.
- **CVSS score:** 6.3
- **Public exploit available:** Yes
- **Affected products:** Dahua Smart Park Management
- **Weaknesses:** CWE-434 (Unrestricted Upload of File with Dangerous Type)
- **Tags:** web_application

## Description

A vulnerability classified as critical was found in Dahua Smart Park Management up to 20230713. This vulnerability affects unknown code of the file /emap/devicePoint_addImgIco?hasSubsystem=true. The manipulation of the argument upload leads to unrestricted upload. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. VDB-235162 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

## CrowdSec analysis

[CVE-2023-3836](https://euvd.enisa.europa.eu/vulnerability/CVE-2023-3836) is a vulnerability in Dahua Smart Park Management that can allow remote attackers to upload arbitrary files, potentially leading to full compromise of the system.

CrowdSec has been tracking this vulnerability and its exploits since 6th of June 2025.

CrowdSec network observations suggest that most exploitation of CVE-2023-3836 involves focused reconnaissance to identify viable targets. Attackers typically tailor their campaigns based on system exposure and configuration. It is unlikely that a given attack is accidental.
In addition, according to the CrowdSec network, attack volume against CVE-2023-3836 has dipped slightly compared to the previous week. Although still commonly targeted, the decline suggests a cooling-off period. Long-term relevance remains, but attention is waning.

Observed exploitation attempts target URLs beginning with `/emap/devicepoint_addimgico` and containing indicators related to subsystem parameters.

## Timeline

- 2023-07-22: CVE Published. CVE-2023-3836 is published to NVD.
- 2025-06-06: Rule Released. CrowdSec releases a rule to detect CVE-2023-3836 exploitation attempts against the CrowdSec Network.
- 2025-06-09: CrowdSec First Seen. CrowdSec observes in-the-wild exploitation of CVE-2023-3836 for the first time.

## References

- https://vuldb.com/?id.235162
- https://github.com/qiuhuihk/cve/blob/main/upload.md
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-3836.yaml

## Live exploitation data

The [Live Exploit Tracker page](https://tracker.crowdsec.net/cves/CVE-2023-3836) follows observed exploitation activity for CVE-2023-3836. [Request an API key](https://tracker.crowdsec.net/request-api-key) for full access to its exploitation timeline, attacking IP addresses and blocklists.