D-Link DSL-2740R UK_1.01 POST Request /HNAP1/ send_hnap_unauthorized null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in D-Link DSL-2740R UK_1.01. Affected by this issue is the function send_hnap_unauthorized of the file /HNAP1/ of the component POST Request Handler. The manipulation results in null pointer dereference. This vulnerability was named CVE-2021-29294. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as problematic, was found in D-Link DSL-2740R UK_1.01. Affected is the function send_hnap_unauthorized of the file /HNAP1/ of the component POST Request Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability.

The weakness was presented 08/11/2021. The advisory is shared for download at supportannouncement.us.dlink.com. This vulnerability is traded as CVE-2021-29294. 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.

Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

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

03/29/2021 🔍
08/11/2021 +135 days 🔍
08/11/2021 +0 days 🔍
08/04/2024 +1088 days 🔍

Sourcesinfo

Vendor: dlink.com

Advisory: supportannouncement.us.dlink.com
Status: Confirmed

CVE: CVE-2021-29294 (🔍)
GCVE (CVE): GCVE-0-2021-29294
GCVE (VulDB): GCVE-100-180588

Entryinfo

Created: 08/11/2021 14:28
Updated: 08/04/2024 00:42
Changes: 08/11/2021 14:28 (38), 08/16/2021 09:51 (2), 08/04/2024 00:42 (33)
Complete: 🔍
Cache ID: 216::103

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