VDB-193182 · CVE-2021-46265 · GCVE-0-2021-46265

Tenda AC11 02.03.01.104_CN wanBasicCfg 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.
3.4	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in Tenda AC11 02.03.01.104_CN. Affected by this vulnerability is an unknown functionality of the component wanBasicCfg. The manipulation results in stack-based overflow. This vulnerability is reported as CVE-2021-46265. No exploit exists.

Detailsinfo

A vulnerability was found in Tenda AC11 02.03.01.104_CN. It has been classified as problematic. Affected is an unknown part of the component wanBasicCfg. The manipulation with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as 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). This is going to have an impact on availability.

The weakness was disclosed 02/16/2022. The advisory is available at github.com. This vulnerability is traded as CVE-2021-46265 since 01/10/2022. The technical details are unknown and an exploit is not available.

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

Type

Router Operating System

Vendor

Tenda

Name

AC11

Version

02.03.01.104_CN

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: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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: Partially

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

01/10/2022 🔍
02/16/2022 +37 days 🔍
02/16/2022 +0 days 🔍
02/18/2022 +2 days 🔍

Sourcesinfo

Vendor: tenda.com.cn

Advisory: github.com
Status: Not defined

CVE: CVE-2021-46265 (🔍)
GCVE (CVE): GCVE-0-2021-46265
GCVE (VulDB): GCVE-100-193182

Entryinfo

Created: 02/16/2022 08:03
Updated: 02/18/2022 15:11
Changes: 02/16/2022 08:03 (37), 02/18/2022 15:11 (1)
Complete: 🔍
Cache ID: 216::103