D-Link DIR-809 up to 1.12WWB03_20190410 POST Request /formVirtualServ 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 classified as critical has been found in D-Link DIR-809 up to 1.12WWB03_20190410. This affects the function FUN_8004776c of the file /formVirtualServ of the component POST Request Handler. This manipulation causes stack-based overflow. The identification of this vulnerability is CVE-2021-33269. There is no exploit available.

Detailsinfo

A vulnerability was found in D-Link DIR-809 up to 1.12WWB03_20190410 (Router Operating System). It has been declared as critical. Affected by this vulnerability is the function FUN_8004776c of the file /formVirtualServ 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 shared 12/02/2021. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2021-33269 since 05/20/2021. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around 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.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

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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

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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-2021-33269 (🔍)
GCVE (CVE): GCVE-0-2021-33269
GCVE (VulDB): GCVE-100-187459

Entryinfo

Created: 12/02/2021 08:17
Updated: 12/08/2021 14:38
Changes: 12/02/2021 08:17 (40), 12/08/2021 14:34 (1), 12/08/2021 14:38 (18)
Complete: 🔍
Cache ID: 216::103

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