TP-LINK TL-WR940N/TL-WR841N/TL-WR740N /userRpm/FixMapCfgRpm buffer overflow
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.8 | $0-$5k | 0.00 |
A vulnerability classified as critical was found in TP-LINK TL-WR940N, TL-WR841N and TL-WR740N (Router Operating System) (affected version not known). Affected by this vulnerability is some unknown functionality of the file /userRpm/FixMapCfgRpm. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
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/FixMapCfgRpm.
The weakness was published 06/07/2023. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2023-33537 since 05/22/2023. 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.
Product
Type
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔒VulDB CVSS-BT Score: 🔒
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.8VulDB Meta Temp Score: 6.8
VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍
NVD Base Score: 8.1
NVD Vector: 🔒
CVSSv2
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Buffer overflowCWE: CWE-120 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒
Local: No
Remote: Partially
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
0-Day | unlock | unlock | unlock | unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
05/22/2023 CVE reserved06/07/2023 Advisory disclosed
06/07/2023 VulDB entry created
07/05/2023 VulDB entry last update
Sources
Vendor: tp-link.comAdvisory: github.com
Status: Not defined
CVE: CVE-2023-33537 (🔒)
Entry
Created: 06/07/2023 08:26Updated: 07/05/2023 16:36
Changes: 06/07/2023 08:26 (38), 07/05/2023 16:36 (11)
Complete: 🔍
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