TRENDnet TEW-827DRU up to 2.06B04 SSI Binary apply.cgi st_dev_connect/st_dev_disconnect/st_dev_rconnect wan_type out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in TRENDnet TEW-827DRU up to 2.06B04. This vulnerability affects the function st_dev_connect/st_dev_disconnect/st_dev_rconnect of the file apply.cgi of the component SSI Binary. Executing a manipulation of the argument wan_type can lead to out-of-bounds write. This vulnerability is tracked as CVE-2020-14076. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in TRENDnet TEW-827DRU up to 2.06B04. It has been declared as critical. This vulnerability affects the function st_dev_connect/st_dev_disconnect/st_dev_rconnect of the file apply.cgi of the component SSI Binary. The manipulation of the argument wan_type with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

TRENDnet TEW-827DRU devices through 2.06B04 contain a stack-based buffer overflow in the ssi binary. The overflow allows an authenticated user to execute arbitrary code by POSTing to apply.cgi via the action st_dev_connect, st_dev_disconnect, or st_dev_rconnect with a sufficiently long wan_type key.

The weakness was disclosed 06/15/2020. This vulnerability was named CVE-2020-14076 since 06/15/2020. The attack can be initiated remotely. The requirement for exploitation is a single authentication. Technical details are known, but there is no available exploit.

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

Vendor

Name

Version

License

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: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
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: Out-of-bounds write
CWE: CWE-787 / 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

06/15/2020 🔍
06/15/2020 +0 days 🔍
06/16/2020 +1 days 🔍
06/16/2020 +0 days 🔍

Sourcesinfo

Status: Not defined

CVE: CVE-2020-14076 (🔍)
GCVE (CVE): GCVE-0-2020-14076
GCVE (VulDB): GCVE-100-156742

Entryinfo

Created: 06/16/2020 09:32
Updated: 06/16/2020 09:37
Changes: 06/16/2020 09:32 (38), 06/16/2020 09:37 (17)
Complete: 🔍
Cache ID: 216::103

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