CVE-2023-34435 — HIGH (7.2)

Vulnerability 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 Score

7.2

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Realtek	Rtl819X Jungle Software Development Kit	3.4.11
Level1	Wbr-6013 Firmware	rer4_a_v3411b_2t2r_lev_09_170623
Level1	Wbr-6013	-

Related Weaknesses (CWE)

CWE-347

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

FAQ

What is CVE-2023-34435?

CVE-2023-34435 is a vulnerability with a CVSS score of 7.2 (HIGH). 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...

How severe is CVE-2023-34435?

CVE-2023-34435 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-34435?

Check the references section above for vendor advisories and patch information. Affected products include: Realtek Rtl819X Jungle Software Development Kit, Level1 Wbr-6013 Firmware, Level1 Wbr-6013.