CVE-2025-57638

HIGH

Tenda Ac9 Firmware - Heap Buffer Overflow

Title source: rule
STIX 2.1

Description

Buffer overflow vulnerability in Tenda AC9 1.0 via the user supplied sys.vendor configuration value.

References (1)

Core 1

Scores

CVSS v3 7.5
EPSS 0.0008
EPSS Percentile 23.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-122
Status published
Products (1)
tenda/ac9_firmware 1.0
Published Sep 23, 2025
Tracked Since Feb 18, 2026