A weakness has been identified in Tenda CH22 1.0.0.1. Affected by this issue is the function fromVirtualSer of the file /goform/VirtualSer. This manipulation of the argument page causes buffer overflow. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.0016.

Exploitation poc

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Tenda CH22 affected
Version Status Constraints
1.0.0.1 affected —

Configuration 1 [-]

AND
cpe:2.3:o:tenda:ch22_firmware:1.0.0.1:*:*:*:*:*:*:*
cpe:2.3:h:tenda:ch22:*:*:*:*:*:*:*:*

No data.

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Vendors Products
Tenda Subscribe
Ch22 Subscribe

Project Subscriptions

Vendors Products
Tenda Subscribe
Ch22 Subscribe
Ch22 Firmware Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/QIU-DIE/CVE/issues/18 cve-icon cve-icon
https://vuldb.com/?ctiid.329936 cve-icon cve-icon
https://vuldb.com/?id.329936 cve-icon cve-icon
https://vuldb.com/?submit.674012 cve-icon cve-icon
https://www.tenda.com.cn/ cve-icon cve-icon
History

Tue, 24 Feb 2026 07:30:00 +0000

Type Values Removed Values Added
Description A weakness has been identified in Tenda CH22 1.0.0.1. Affected by this issue is the function fromVirtualSer of the file /goform/VirtualSer. This manipulation of the argument page causes buffer overflow. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be exploited. A weakness has been identified in Tenda CH22 1.0.0.1. Affected by this issue is the function fromVirtualSer of the file /goform/VirtualSer. This manipulation of the argument page causes buffer overflow. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks.
CPEs cpe:2.3:o:tenda:ch22_firmware:*:*:*:*:*:*:*:*

Tue, 28 Oct 2025 02:15:00 +0000

Type Values Removed Values Added
First Time appeared Tenda ch22 Firmware
CPEs cpe:2.3:h:tenda:ch22:*:*:*:*:*:*:*:*
cpe:2.3:o:tenda:ch22_firmware:1.0.0.1:*:*:*:*:*:*:*
Vendors & Products Tenda ch22 Firmware

Mon, 27 Oct 2025 22:30:00 +0000

Type Values Removed Values Added
First Time appeared Tenda
Tenda ch22
Vendors & Products Tenda
Tenda ch22

Mon, 27 Oct 2025 13:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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

Mon, 27 Oct 2025 11:15:00 +0000

Type Values Removed Values Added
Description A weakness has been identified in Tenda CH22 1.0.0.1. Affected by this issue is the function fromVirtualSer of the file /goform/VirtualSer. This manipulation of the argument page causes buffer overflow. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be exploited.
Title Tenda CH22 VirtualSer fromVirtualSer 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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-02-24T07:10:39.535Z

Reserved: 2025-10-26T05:50:20.200Z

Link: CVE-2025-12265

cve-icon Vulnrichment

Updated: 2025-10-27T12:14:45.508Z

cve-icon NVD

Status : Modified

Published: 2025-10-27T11:15:40.050

Modified: 2026-02-24T08:16:24.770

Link: CVE-2025-12265

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-10-27T22:04:11Z

Weaknesses