CVE-2023-34435: wbr-6013 Signature Bypass (CVSS 7.2)

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.

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CVSS v3.1 Score

7.2

HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-347 CWE-347

Affected Products

Vendor	Product	Versions
realtek	rtl819x_jungle_software_development_kit	All
level1	wbr-6013_firmware	All
level1	wbr-6013	All

References

Other References

https://talosintelligence.com/vulnerability_reports/TALOS-2023-1874 https://talosintelligence.com/vulnerability_reports/TALOS-2023-1874 https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1874

Frequently Asked Questions

What is CVE-2023-34435? +

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. It has a CVSS v3.1 base score of 7.2 (HIGH).

How severe is CVE-2023-34435? +

CVE-2023-34435 has a CVSS v3.1 score of 7.2 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2023-34435? +

CVE-2023-34435 affects products from level1, realtek, specifically: rtl819x_jungle_software_development_kit, wbr-6013, wbr-6013_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-34435? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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