VulnerabilityModified

CVE-2023-40839

Tenda AC6 US_AC6V1.0BR_V15.03.05.16_multi_TD01.bin function 'sub_ADF3C' contains a command execution vulnerability.

CRITICAL 9.8EPSS 1.04%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.04%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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 3.1: 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 1.04% probability · 62th percentile
CISA KEV: Not listed
Weakness: CWE-78
Affected: tenda/ac6 firmware
Source: cve@mitre.org

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

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