A vulnerability was found in Tenda CH22 1.0.0.1. This affects the function fromAdvSetWan of the file /goform/AdvSetWan of the component Parameter Handler. The manipulation of the argument wanmode results in stack-based buffer overflow. The attack can be executed remotely. The exploit has been made public and could be used.

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.

No EPSS score available.

Key SSVC decision points have not yet been added.

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 —

No data.

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Project Subscriptions

Vendors Products
Tenda 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/Litengzheng/vuldb_new/blob/main/CH22/vul_47/README.md cve-icon cve-icon
https://vuldb.com/submit/780207 cve-icon cve-icon
https://vuldb.com/vuln/354187 cve-icon cve-icon
https://vuldb.com/vuln/354187/cti cve-icon cve-icon
https://www.tenda.com.cn/ cve-icon cve-icon
History

Tue, 31 Mar 2026 03:00:00 +0000

Type Values Removed Values Added
Description A vulnerability was found in Tenda CH22 1.0.0.1. This affects the function fromAdvSetWan of the file /goform/AdvSetWan of the component Parameter Handler. The manipulation of the argument wanmode results in stack-based buffer overflow. The attack can be executed remotely. The exploit has been made public and could be used.
Title Tenda CH22 Parameter AdvSetWan fromAdvSetWan stack-based overflow
First Time appeared Tenda
Tenda ch22 Firmware
Weaknesses CWE-119
CWE-121
CPEs cpe:2.3:o:tenda:ch22_firmware:*:*:*:*:*:*:*:*
Vendors & Products Tenda
Tenda ch22 Firmware
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: 2026-03-30T22:30:18.299Z

Reserved: 2026-03-30T13:33:12.593Z

Link: CVE-2026-5155

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-03-30T23:17:05.123

Modified: 2026-03-30T23:17:05.123

Link: CVE-2026-5155

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses