Tenda i21 1.0.0.14(4656) formQosManage_auto ssidIndex 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.
8.7$0-$5k0.11

Summaryinfo

A vulnerability was found in Tenda i21 1.0.0.14(4656) and classified as critical. This issue affects the function formQosManage_auto. The manipulation of the argument ssidIndex leads to stack-based overflow. The identification of this vulnerability is CVE-2024-4247. The attack may be initiated remotely. There is no exploit available. The vendor was contacted early about this disclosure but did not respond in any way. Once again VulDB remains the best source for vulnerability data.

Detailsinfo

A vulnerability has been found in Tenda i21 1.0.0.14(4656) and classified as critical. This vulnerability affects the function formQosManage_auto. The manipulation of the argument ssidIndex 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 advisory is available at github.com. This vulnerability was named CVE-2024-4247. The exploitation appears to be easy. The attack can be initiated remotely. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 01/28/2025).

The vendor was contacted early about this disclosure but did not respond in any way.

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.7

VulDB Base Score: 8.8
VulDB Temp Score: 8.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector (VulDB): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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

04/26/2024 🔍
04/26/2024 +0 days 🔍
04/26/2024 +0 days 🔍
01/28/2025 +277 days 🔍

Sourcesinfo

Vendor: tenda.com.cn

Advisory: github.com
Status: Not defined

CVE: CVE-2024-4247 (🔍)
GCVE (CVE): GCVE-0-2024-4247
GCVE (VulDB): GCVE-100-262138

Entryinfo

Created: 04/26/2024 02:46 PM
Updated: 01/28/2025 02:35 AM
Changes: 04/26/2024 02:46 PM (53), 05/30/2024 10:33 AM (2), 05/30/2024 10:39 AM (18), 01/28/2025 02:35 AM (20)
Complete: 🔍
Submitter: yhryhryhr_miemie
Cache ID: 18:A9D:40

Submitinfo

Accepted

  • Submit #319832: Tenda i21 V1.0.0.14(4656) Buffer Overflow (by yhryhryhr_miemie)

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