CVE-2023-40839 — CRITICAL (9.8)

Vulnerability Description

Tenda AC6 US_AC6V1.0BR_V15.03.05.16_multi_TD01.bin function 'sub_ADF3C' contains a command execution vulnerability. In the "formSetIptv" function, obtaining the "list" and "vlanId" fields, unfiltered passing these two fields as parameters to the "sub_ADF3C" function to execute commands.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Tenda	Ac6 Firmware	15.03.05.16
Tenda	Ac6	1.0

Related Weaknesses (CWE)

CWE-78

References

https://github.com/XYIYM/Digging/blob/main/Tenda/AC6/cmd/3/3.mdThird Party Advisory
https://github.com/XYIYM/Digging/blob/main/Tenda/AC6/cmd/3/3.mdThird Party Advisory

FAQ

What is CVE-2023-40839?

CVE-2023-40839 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Tenda AC6 US_AC6V1.0BR_V15.03.05.16_multi_TD01.bin function 'sub_ADF3C' contains a command execution vulnerability. In the "formSetIptv" function, obtaining the "list" and "vlanId" fields, unfiltered ...

How severe is CVE-2023-40839?

CVE-2023-40839 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2023-40839?

Check the references section above for vendor advisories and patch information. Affected products include: Tenda Ac6 Firmware, Tenda Ac6.