VulnerabilityModified

CVE-2023-34435

A firmware update vulnerability exists in the boa formUpload functionality of Realtek rtl819x Jungle SDK v3.4.11.

HIGH 7.2EPSS 0.47%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.47%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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 3.1: 7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.47% probability · 39th percentile
CISA KEV: Not listed
Weakness: CWE-347
Affected: realtek/rtl819x jungle software development kit · level1/wbr-6013 firmware
Source: talos-cna@cisco.com

References

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

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.