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CVE-2023-34435

HIGHCVSS 7.2/10EPSS 0.47%

Last modified

CVE-2023-34435 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. 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. EPSS estimates a 0.47% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
7.2/10

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

EPSS Probability
0.47%

37.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
RealtekRtl819x Jungle Software Development Kit3.4.11
Level1Wbr-6013 Firmwarerer4_a_v3411b_2t2r_lev_09_170623

References

Timeline

Published
Last Modified
Status
Modified

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.
How severe is CVE-2023-34435?
CVE-2023-34435 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 0.47% probability of exploitation in the next 30 days.
How do I fix CVE-2023-34435?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-34435?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST