CVE-2025-8810

7.4 highEPSS 1.2%

High (7.4) in tenda ac20 firmware. EPSS 1.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

7.4 high

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

CVSS 3.1

8.8 high

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.2% chance of exploitation in the next 30 days; higher than 68% of CVEs (scores of 2026-10-31)
CWEs: CWE-119, CWE-121
Published: 2025-08-10
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

tenda:ac20_firmware

References

https://github.com/LaiwanHundun/CVE/blob/main/cve1
https://vuldb.com/?ctiid.319339
https://vuldb.com/?id.319339
https://vuldb.com/?submit.627394
https://www.tenda.com.cn/

Check your stack JSON