Is CVE-2023-34435 actively exploited?

CVE-2023-34435 has no public evidence of in-the-wild exploitation as of 2025-11-04.

What is the CVSS score for CVE-2023-34435?

CVE-2023-34435 has a CVSS score of 7.2 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2023-34435?

Patch guidance is available from realtek security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2023-34435.

Fix CVE-2023-34435 - HIGH | CVEDatabase.com

Q: Which products are affected by CVE-2023-34435?

2 products: realtek rtl819x jungle software development kit, level1 wbr-6013 firmware.

Description

A firmware update vulnerability exists in the boa formUpload functionality of Realtek rtl819x Jungle SDK v3.4.11. A specially crafted network packets can lead to arbitrary firmware update. An attacker can provide a malicious file to trigger this vulnerability.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: high
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-347

Metadata

Primary Vendor: REALTEK
Published: 7/8/2024
Last Modified: 11/4/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2023-34435

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary