Tenda RX9 Pro 22.03.02.20 HTTP Server buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Tenda RX9 Pro 22.03.02.20. Affected by this issue is some unknown functionality of the component HTTP Server. Such manipulation leads to buffer overflow. This vulnerability is uniquely identified as CVE-2023-43886. No exploit exists.

Detailsinfo

A vulnerability was found in Tenda RX9 Pro 22.03.02.20 and classified as critical. Affected by this issue is some unknown functionality of the component HTTP Server. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A buffer overflow in the HTTP server component of Tenda RX9 Pro v22.03.02.20 might allow an authenticated attacker to overwrite memory.

The weakness was disclosed 11/07/2023. The advisory is shared for download at blog.rtlcopymemory.com. This vulnerability is handled as CVE-2023-43886 since 09/25/2023. There are neither technical details nor an exploit publicly available.

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-2023-48246). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.3

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

NVD Base Score: 7.1
NVD 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

09/25/2023 🔍
11/07/2023 +43 days 🔍
11/07/2023 +0 days 🔍
02/08/2026 +824 days 🔍

Sourcesinfo

Vendor: tenda.com.cn

Advisory: blog.rtlcopymemory.com
Status: Not defined

CVE: CVE-2023-43886 (🔍)
GCVE (CVE): GCVE-0-2023-43886
GCVE (VulDB): GCVE-100-244652
EUVD: 🔍

Entryinfo

Created: 11/07/2023 10:16
Updated: 02/08/2026 06:37
Changes: 11/07/2023 10:16 (38), 12/03/2023 09:22 (11), 02/08/2026 06:37 (17)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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