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.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Thu, 14 Aug 2025 16:30:00 +0000

Type Values Removed Values Added
First Time appeared Tenda ac20 Firmware
CPEs cpe:2.3:h:tenda:ac20:-:*:*:*:*:*:*:*
cpe:2.3:o:tenda:ac20_firmware:16.03.08.05:*:*:*:*:*:*:*
Vendors & Products Tenda ac20 Firmware

Tue, 12 Aug 2025 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 12 Aug 2025 07:45:00 +0000

Type Values Removed Values Added
First Time appeared Tenda
Tenda ac20
Vendors & Products Tenda
Tenda ac20

Sun, 10 Aug 2025 13:30:00 +0000

Type Values Removed Values Added
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.
Title Tenda AC20 SetFirewallCfg strcpy stack-based overflow
Weaknesses CWE-119
CWE-121
References
Metrics cvssV2_0

{'score': 9, 'vector': 'AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 8.8, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 8.7, '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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2025-08-12T19:41:47.916Z

Reserved: 2025-08-09T07:58:15.073Z

Link: CVE-2025-8810

cve-icon Vulnrichment

Updated: 2025-08-12T19:41:38.954Z

cve-icon NVD

Status : Analyzed

Published: 2025-08-10T14:15:32.457

Modified: 2025-08-14T16:29:26.347

Link: CVE-2025-8810

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-08-12T07:41:45Z