CVE-2018-14557: An issue was discovered on Tenda AC7 devices with firmware through V15.03.06.44_CN(AC7), AC9 devices with firmware through V15.03.05.19(6318)_CN(AC9), and AC10…

PriorityP343high7.5CVSS 3.0

AVNACLPRNUINSUCNINAH

EPSS

1.43%

69.9th percentile

An issue was discovered on Tenda AC7 devices with firmware through V15.03.06.44_CN(AC7), AC9 devices with firmware through V15.03.05.19(6318)_CN(AC9), and AC10 devices with firmware through V15.03.06.23_CN(AC10). A buffer overflow vulnerability exists in the router's web server (httpd). When processing the page parameters for a post request, the value is directly written with sprintf to a local variable placed on the stack, which overrides the return address of the function, a causing buffer overflow.

Affected

3 ranges

Vendor	Product	Version range	Fixed in
tenda	ac10_firmware	<= 15.03.06.23_cn	—
tenda	ac7_firmware	<= 15.03.06.44_cn	—
tenda	ac9_firmware	<= 15.03.05.19\(6318\)_cn	—

CVSS provenance

nvdv3.07.5HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

nvdv2.07.8HIGHAV:N/AC:L/Au:N/C:N/I:N/A:C

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