D-Link DIR-809 up to 1.12WWB03_20190410 POST Request /formVirtualApp FUN_8004776c stack-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.5$5k-$25k0.00

Summaryinfo

A vulnerability labeled as critical has been found in D-Link DIR-809 up to 1.12WWB03_20190410. Impacted is the function FUN_8004776c of the file /formVirtualApp of the component POST Request Handler. Executing a manipulation can lead to stack-based overflow. This vulnerability is handled as CVE-2021-33266. There is not any exploit available.

Detailsinfo

A vulnerability has been found in D-Link DIR-809 up to 1.12WWB03_20190410 (Router Operating System) and classified as critical. This vulnerability affects the function FUN_8004776c of the file /formVirtualApp 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 released 12/02/2021. The advisory is shared for download at github.com. This vulnerability was named CVE-2021-33266 since 05/20/2021. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $5k-$25k (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-2021-33266 (🔍)
GCVE (CVE): GCVE-0-2021-33266
GCVE (VulDB): GCVE-100-187456

Entryinfo

Created: 12/02/2021 08:13
Updated: 12/08/2021 14:20
Changes: 12/02/2021 08:13 (40), 12/08/2021 14:16 (1), 12/08/2021 14:20 (18)
Complete: 🔍
Cache ID: 216::103

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