CVE-2025-12236

Tenda CH22 DhcpListClient fromDhcpListClient buffer overflow

Published Oct 27, 2025 CVSS 4.0 · 8.7 High EPSS 3.5% KEV · Not listed
Description
A vulnerability was determined in Tenda CH22 1.0.0.1. This issue affects the function fromDhcpListClient of the file /goform/DhcpListClient. This manipulation of the argument page causes buffer overflow. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:o:tenda:ch22_firmware:*:*:*:*:*:*:*:*
References
Type Values Removed Values Added
First Time appeared Tenda
Tenda ch22
Tenda ch22 Firmware
CPEs cpe:2.3:h:tenda:ch22:*:*:*:*:*:*:*:*
cpe:2.3:o:tenda:ch22_firmware:1.0.0.1:*:*:*:*:*:*:*
Vendors & Products Tenda
Tenda ch22
Tenda ch22 Firmware
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Description A vulnerability was determined in Tenda CH22 1.0.0.1. This issue affects the function fromDhcpListClient of the file /goform/DhcpListClient. This manipulation of the argument page causes buffer overflow. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized.
Title Tenda CH22 DhcpListClient fromDhcpListClient buffer overflow
Weaknesses CWE-119
CWE-120
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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Feb 24, 2026, 7:09 AM
Reserved
Oct 25, 2025, 5:04 PM
Status
Modified
Published
Oct 27, 2025, 7:15 AM
Modified
Oct 8, 2026, 11:10 AM