A vulnerability was detected in Tenda CH22 1.0.0.1. Affected is the function formWrlExtraGet of the file /goform/WrlExtraGet. Performing manipulation of the argument chkHz results in buffer overflow. Remote exploitation of the attack is possible. The exploit is now public and may be used.

Metrics

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.

Exploitation poc

Automatable no

Technical Impact total

Affected Vendors & Products

Vendors Products
Tenda
  • Ch22
  • Ch22 Firmware

Configuration 1 [-]

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

No data.

References
Link Providers
https://github.com/f000x0/cve/issues/14 cve-icon cve-icon
https://vuldb.com/?ctiid.332926 cve-icon cve-icon
https://vuldb.com/?id.332926 cve-icon cve-icon
https://vuldb.com/?submit.692145 cve-icon cve-icon
https://www.tenda.com.cn/ cve-icon cve-icon
History

Thu, 20 Nov 2025 17:15:00 +0000

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

Thu, 20 Nov 2025 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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

 ssvc

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

Wed, 19 Nov 2025 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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

Wed, 19 Nov 2025 17:15:00 +0000

Type Values Removed Values Added
Description A vulnerability was detected in Tenda CH22 1.0.0.1. Affected is the function formWrlExtraGet of the file /goform/WrlExtraGet. Performing manipulation of the argument chkHz results in buffer overflow. Remote exploitation of the attack is possible. The exploit is now public and may be used.
Title Tenda CH22 WrlExtraGet formWrlExtraGet 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'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published: 2025-11-19T17:02:06.703Z

Updated: 2025-11-20T15:49:40.061Z

Reserved: 2025-11-19T10:29:17.859Z

Link: CVE-2025-13400

cve-icon Vulnrichment

Updated: 2025-11-19T21:08:49.260Z

cve-icon NVD

Status : Analyzed

Published: 2025-11-19T17:15:47.177

Modified: 2025-11-20T17:08:03.573

Link: CVE-2025-13400

cve-icon Redhat

No data.