TP-LINK TL-WR940N/TL-WR841N/TL-WR740N WlanMacFilterRpm buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in TP-LINK TL-WR940N, TL-WR841N and TL-WR740N. Impacted is an unknown function of the file /userRpm/WlanMacFilterRpm. The manipulation results in buffer overflow. This vulnerability is cataloged as CVE-2023-33536. The attack must originate from the local network. There is no exploit available.

Detailsinfo

A vulnerability classified as critical has been found in TP-LINK TL-WR940N, TL-WR841N and TL-WR740N (Router Operating System) (affected version unknown). Affected is an unknown functionality of the file /userRpm/WlanMacFilterRpm. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

TP-Link TL-WR940N V2/V4, TL-WR841N V8/V10, and TL-WR740N V1/V2 was discovered to contain a buffer overflow via the component /userRpm/WlanMacFilterRpm.

The weakness was shared 06/07/2023. The advisory is available at github.com. This vulnerability is traded as CVE-2023-33536 since 05/22/2023. 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.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-37695). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.2

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CNA Base Score: 8.1
CNA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / 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

05/22/2023 🔍
06/07/2023 +16 days 🔍
06/07/2023 +0 days 🔍
01/04/2026 +942 days 🔍

Sourcesinfo

Vendor: tp-link.com

Advisory: github.com
Status: Not defined

CVE: CVE-2023-33536 (🔍)
GCVE (CVE): GCVE-0-2023-33536
GCVE (VulDB): GCVE-100-230994
EUVD: 🔍

Entryinfo

Created: 06/07/2023 08:26
Updated: 01/04/2026 23:15
Changes: 06/07/2023 08:26 (38), 01/07/2025 19:42 (35), 01/04/2026 23:15 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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