TRENDnet TEW-755AP/TEW-755AP2KAC/TEW-821DAP2KAC/TEW-825DAP 1.11B03 POST Request apply_cgi do_graph_auth null pointer dereference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability was found in TRENDnet TEW-755AP, TEW-755AP2KAC, TEW-821DAP2KAC and TEW-825DAP 1.11B03. It has been classified as problematic. This vulnerability affects the function do_graph_auth of the file apply_cgi of the component POST Request Handler. This manipulation causes null pointer dereference. This vulnerability is registered as CVE-2021-28842. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability has been found in TRENDnet TEW-755AP, TEW-755AP2KAC, TEW-821DAP2KAC and TEW-825DAP 1.11B03 and classified as problematic. Affected by this vulnerability is the function do_graph_auth of the file apply_cgi of the component POST Request Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability.

The weakness was published 08/11/2021. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2021-28842. Technical details of the vulnerability 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.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
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

03/19/2021 🔍
08/11/2021 +144 days 🔍
08/11/2021 +0 days 🔍
08/15/2021 +4 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2021-28842 (🔍)
GCVE (CVE): GCVE-0-2021-28842
GCVE (VulDB): GCVE-100-180535

Entryinfo

Created: 08/11/2021 12:21
Updated: 08/15/2021 14:53
Changes: 08/11/2021 12:21 (38), 08/15/2021 14:53 (2)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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