How severe is CVE-2023-34435?

CVE-2023-34435 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-34435 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-34435?

CVE-2023-34435 primarily affects Realtek Rtl819x Jungle Software Development Kit. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-34435?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2023-34435 have an EU (EUVD) identifier?

Yes. CVE-2023-34435 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-38511.

When was CVE-2023-34435 published?

CVE-2023-34435 was published on 2024-07-08 and last updated on 2026-06-17.

CVE-2023-34435

CVE-2023-34435 is a high-severity vulnerability in Realtek Rtl819x Jungle Software Development Kit with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-347.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-38511
Weakness: CWE-347
Affected product: Realtek Rtl819x Jungle Software Development Kit
Published: 2024-07-08
Last modified: 2026-06-17

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.

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 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-34435 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-34435?: CVE-2023-34435 primarily affects Realtek Rtl819x Jungle Software Development Kit. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-34435?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-34435 have an EU (EUVD) identifier?: Yes. CVE-2023-34435 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-38511.
When was CVE-2023-34435 published?: CVE-2023-34435 was published on 2024-07-08 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:realtek:rtl819x_jungle_software_development_kit:3.4.11:*:*:*:*:*:*:*
cpe:2.3:o:level1:wbr-6013_firmware:rer4_a_v3411b_2t2r_lev_09_170623:*:*:*:*:*:*:*

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