CVE-2023-34435
highpriority · track · 29EPSS 0.005 · 41 %ileEUUSEPSS · scored 2026-10-28
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.6–7.2
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (4)
Products and version ranges known to be affected.
- level1 wbr-6013 firmware= rer4_a_v3411b_2t2r_lev_09_170623nvdUScpe:2.3:o:level1:wbr-6013_firmware:*:*:*:*:*:*:*:*
- realtek rtl819x jungle software development kit= 3.4.11nvdUScpe:2.3:a:realtek:rtl819x_jungle_software_development_kit:*:*:*:*:*:*:*:*
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2023-34435/cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2023-34435cnnvd
- https://www.realtek.com/Download/List?cate_id=593&menu_id=298Patchcnnvd
- https://talosintelligence.com/vulnerability_reports/TALOS-2023-1874enisa_euvd
- https://talosintelligence.com/vulnerability_reports/TALOS-2023-1874Third Party Advisorynvd
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1874nvd
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