D-Link DIR-809 up to 1.12WWB03_20190410 POST Request /formWlanSetup FUN_80040af8 stack-based overflow

CVSS Meta Temp Score
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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
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7.5$5k-$25k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in D-Link DIR-809 up to 1.12WWB03_20190410. Affected by this vulnerability is the function FUN_80040af8 of the file /formWlanSetup of the component POST Request Handler. Executing a manipulation can lead to stack-based overflow. This vulnerability is tracked as CVE-2021-33274. The attack is only possible within the local network. No exploit exists.

Detailsinfo

A vulnerability classified as critical was found in D-Link DIR-809 up to 1.12WWB03_20190410 (Router Operating System). This vulnerability affects the function FUN_80040af8 of the file /formWlanSetup of the component POST Request Handler. The manipulation 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 weakness was disclosed 12/02/2021. The advisory is available at github.com. This vulnerability was named CVE-2021-33274 since 05/20/2021. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 12/08/2021).

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

Vendor

Name

Version

License

Website

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: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

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: 🔍

Physical: No
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

05/20/2021 🔍
12/02/2021 +196 days 🔍
12/02/2021 +0 days 🔍
12/08/2021 +6 days 🔍

Sourcesinfo

Vendor: dlink.com

Advisory: github.com
Status: Not defined

CVE: CVE-2021-33274 (🔍)
GCVE (CVE): GCVE-0-2021-33274
GCVE (VulDB): GCVE-100-187462

Entryinfo

Created: 12/02/2021 08:19
Updated: 12/08/2021 14:54
Changes: 12/02/2021 08:19 (40), 12/08/2021 14:50 (1), 12/08/2021 14:54 (18)
Complete: 🔍
Cache ID: 216::103

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