VDB-244691 · CVE-2023-47455 · EUVD-2023-51567

Tenda AX1806 1.0.0.1 HTTP Request Parameter setSchedWifi schedStartTime/schedEndTime heap-based overflow

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.8	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in Tenda AX1806 1.0.0.1. The impacted element is the function setSchedWifi of the component HTTP Request Parameter Handler. The manipulation of the argument schedStartTime/schedEndTime leads to heap-based overflow. This vulnerability is documented as CVE-2023-47455. There is not any exploit available.

Detailsinfo

A vulnerability was found in Tenda AX1806 1.0.0.1. It has been rated as critical. This issue affects the function setSchedWifi of the component HTTP Request Parameter Handler. The manipulation of the argument schedStartTime/schedEndTime with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Tenda AX1806 V1.0.0.1 contains a heap overflow vulnerability in setSchedWifi function, in which the src and v12 are directly obtained from http request parameter schedStartTime and schedEndTime without checking their size.

The weakness was released 11/07/2023. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2023-47455 since 11/06/2023. Technical details of the vulnerability are known, but there is no available exploit.

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

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-51567). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Router Operating System

Vendor

Tenda

Name

AX1806

Version

1.0.0.1

License

commercial

Website

Vendor: https://www.tenda.com.cn/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.9
VulDB Meta Temp Score: 7.8

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.1
NVD Vector: 🔍

CNA Base Score: 9.1
CNA Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/06/2023 🔍
11/07/2023 +1 days 🔍
11/07/2023 +0 days 🔍
02/24/2026 +840 days 🔍

Sourcesinfo

Vendor: tenda.com.cn

Advisory: github.com
Status: Not defined

CVE: CVE-2023-47455 (🔍)
GCVE (CVE): GCVE-0-2023-47455
GCVE (VulDB): GCVE-100-244691
EUVD: 🔍

Entryinfo

Created: 11/07/2023 17:48
Updated: 02/24/2026 10:05
Changes: 11/07/2023 17:48 (40), 12/03/2023 13:18 (11), 09/05/2024 16:45 (27), 02/24/2026 10:05 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.