Tenda CH22 1.0.0.1 /goform/WrlExtraGet formWrlExtraGet chkHz buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Tenda CH22 1.0.0.1. It has been declared as critical. Affected by this vulnerability is the function formWrlExtraGet of the file /goform/WrlExtraGet. Executing a manipulation of the argument chkHz can lead to buffer overflow. This vulnerability is handled as CVE-2025-13400. The attack can be executed remotely. Additionally, an exploit exists.

Detailsinfo

A vulnerability was found in Tenda CH22 1.0.0.1. It has been declared as critical. This vulnerability affects the function formWrlExtraGet of the file /goform/WrlExtraGet. The manipulation of the argument chkHz with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is available at github.com. This vulnerability was named CVE-2025-13400. The exploitation appears to be easy. The attack can be initiated remotely. Technical details and also a public exploit are known.

It is possible to download the exploit at github.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 9.1
VulDB Meta Temp Score: 8.9

VulDB Base Score: 8.8
VulDB Temp Score: 8.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔒

CNA Base Score: 8.8
CNA Vector: 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

11/19/2025 Advisory disclosed
11/19/2025 +0 days VulDB entry created
11/21/2025 +2 days VulDB entry last update

Sourcesinfo

Vendor: tenda.com.cn

Advisory: github.com
Status: Not defined

CVE: CVE-2025-13400 (🔒)
GCVE (CVE): GCVE-0-2025-13400
GCVE (VulDB): GCVE-100-332926
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 11/19/2025 11:34
Updated: 11/21/2025 08:35
Changes: 11/19/2025 11:34 (57), 11/20/2025 12:49 (31), 11/21/2025 08:35 (11)
Complete: 🔍
Submitter: Li Hu
Cache ID: 216::103

Submitinfo

Accepted

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