VDB-250297 · CVE-2023-51956 · EUVD-2023-56636

Tenda AX1803 1.0.0.1 formSetIptv vlan stack-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.
7.6	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Tenda AX1803 1.0.0.1. It has been classified as critical. This vulnerability affects the function formSetIptv. This manipulation of the argument vlan causes stack-based overflow. This vulnerability is tracked as CVE-2023-51956. No exploit exists.

Detailsinfo

A vulnerability was found in Tenda AX1803 1.0.0.1. It has been declared as critical. Affected by this vulnerability is the function formSetIptv. The manipulation of the argument vlan with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Tenda AX1803 v1.0.0.1 contains a stack overflow via the iptv.city.vlan parameter in the function formSetIptv

The weakness was disclosed 01/10/2024. The advisory is shared at grove-laser-8ad.notion.site. This vulnerability is known as CVE-2023-51956 since 12/26/2023. Technical details are known, but no exploit is available.

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-2023-56636). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Router Operating System

Vendor

Tenda

Name

AX1803

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: 7.6
VulDB Meta Temp Score: 7.6

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

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / 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

12/26/2023 🔍
01/10/2024 +15 days 🔍
01/10/2024 +0 days 🔍
06/04/2025 +510 days 🔍

Sourcesinfo

Vendor: tenda.com.cn

Advisory: grove-laser-8ad.notion.site
Status: Not defined

CVE: CVE-2023-51956 (🔍)
GCVE (CVE): GCVE-0-2023-51956
GCVE (VulDB): GCVE-100-250297
EUVD: 🔍

Entryinfo

Created: 01/10/2024 17:20
Updated: 06/04/2025 01:08
Changes: 01/10/2024 17:20 (39), 01/28/2024 14:14 (11), 06/03/2025 17:33 (17), 06/04/2025 01:08 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.