CVE-2026-5156
Tenda CH22 Parameter QuickIndex formQuickIndex stack-based overflow
Description
A vulnerability was determined in Tenda CH22 1.0.0.1. This impacts the function formQuickIndex of the file /goform/QuickIndex of the component Parameter Handler. This manipulation of the argument mit_linktype causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.
INFO
Published Date :
March 31, 2026, 12:16 a.m.
Last Modified :
April 2, 2026, 12:07 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | HIGH | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | HIGH | [email protected] |
Solution
- Update Tenda CH22 firmware to the latest version.
- Apply vendor patches for Parameter Handler component.
- Restrict remote access to the affected device.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-5156.
| URL | Resource |
|---|---|
| https://github.com/Litengzheng/vuldb_new/blob/main/CH22/vul_46/README.md | Exploit Third Party Advisory |
| https://vuldb.com/submit/780208 | Third Party Advisory VDB Entry |
| https://vuldb.com/vuln/354188 | Third Party Advisory VDB Entry |
| https://vuldb.com/vuln/354188/cti | Permissions Required VDB Entry |
| https://www.tenda.com.cn/ | Product |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-5156 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-5156
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-5156 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-5156 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Apr. 02, 2026
Action Type Old Value New Value Added CWE CWE-787 Added CPE Configuration AND OR *cpe:2.3:o:tenda:ch22_firmware:1.0.0.1:*:*:*:*:*:*:* OR cpe:2.3:h:tenda:ch22:-:*:*:*:*:*:*:* Added Reference Type VulDB: https://github.com/Litengzheng/vuldb_new/blob/main/CH22/vul_46/README.md Types: Exploit, Third Party Advisory Added Reference Type VulDB: https://vuldb.com/submit/780208 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/vuln/354188 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/vuln/354188/cti Types: Permissions Required, VDB Entry Added Reference Type VulDB: https://www.tenda.com.cn/ Types: Product -
New CVE Received by [email protected]
Mar. 31, 2026
Action Type Old Value New Value Added Description A vulnerability was determined in Tenda CH22 1.0.0.1. This impacts the function formQuickIndex of the file /goform/QuickIndex of the component Parameter Handler. This manipulation of the argument mit_linktype causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CVSS V2 (AV:N/AC:L/Au:S/C:C/I:C/A:C) Added CWE CWE-119 Added CWE CWE-121 Added Reference https://github.com/Litengzheng/vuldb_new/blob/main/CH22/vul_46/README.md Added Reference https://vuldb.com/submit/780208 Added Reference https://vuldb.com/vuln/354188 Added Reference https://vuldb.com/vuln/354188/cti Added Reference https://www.tenda.com.cn/