CVE-2025-8810CWE-119CWE-121

Tenda AC20 SetFirewallCfg strcpy stack-based overflow

High · published August 10, 2025

CVSS v4.0
8.7
EPSS
1%
Percentile
65.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.7 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
EPSS
0.01115 · 65.8th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-121 · Stack-based Buffer Overflow
Published
2025-08-10T13:02Z
EPSS history
Timeline
  • 10 AUG 13:02Z
    Tenda AC20 SetFirewallCfg strcpy stack-based overflow
    cvelistv5