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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3.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in TRENDnet TEW-755AP, TEW-755AP2KAC, TEW-821DAP2KAC and TEW-825DAP 1.11B03. The affected element is the function do_graph_auth of the file apply_cgi of the component POST Request Handler. Such manipulation leads to null pointer dereference. This vulnerability is referenced as CVE-2021-28844. No exploit is available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in TRENDnet TEW-755AP, TEW-755AP2KAC, TEW-821DAP2KAC and TEW-825DAP 1.11B03. Affected by this issue 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. Using CWE to declare the problem leads to 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. Impacted is availability.

The weakness was published 08/11/2021. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2021-28844. There are known technical details, but no exploit is available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
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: Partially

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 🔍
08/16/2021 +5 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2021-28844 (🔍)
GCVE (CVE): GCVE-0-2021-28844
GCVE (VulDB): GCVE-100-180560

Entryinfo

Created: 08/11/2021 13:24
Updated: 08/16/2021 07:13
Changes: 08/11/2021 13:24 (38), 08/16/2021 07:13 (2)
Complete: 🔍
Cache ID: 216::103

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