CVE-2025-8810

HIGH

Tenda AC20 16.03.08.05 - Stack-Based Buffer Overflow via SetFirewallCfg firewallEn Parameter

Title source: llm
STIX 2.1

Description

A vulnerability classified as critical was found in Tenda AC20 16.03.08.05. Affected by this vulnerability is the function strcpy of the file /goform/SetFirewallCfg. The manipulation of the argument firewallEn leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

References (5)

Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry technical-description
https://vuldb.com/?id.319339
Permissions Required, VDB Entry signature permissions-required
https://vuldb.com/?ctiid.319339
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.627394
Product product
https://www.tenda.com.cn/

Scores

CVSS v3 8.8
EPSS 0.0022
EPSS Percentile 44.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-119 CWE-121
Status published
Products (1)
tenda/ac20_firmware 16.03.08.05
Published Aug 10, 2025
Tracked Since Feb 18, 2026