Tenda AC6/AC18/AC19 bin/httpd formSetCfm buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Tenda AC6, AC18 and AC19. This issue affects the function formSetCfm of the file bin/httpd. Performing a manipulation results in buffer overflow. This vulnerability is known as CVE-2023-38823. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, was found in Tenda AC6, AC18 and AC19 (the affected version is unknown). This affects the function formSetCfm of the file bin/httpd. 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. The summary by CVE is:

Buffer Overflow vulnerability in Tenda Ac19 v.1.0, AC18, AC9 v.1.0, AC6 v.2.0 and v.1.0 allows a remote attacker to execute arbitrary code via the formSetCfm function in bin/httpd.

The weakness was published 11/21/2023. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2023-38823 since 07/25/2023. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/20/2026).

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-2023-42596). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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

07/25/2023 🔍
11/21/2023 +119 days 🔍
11/21/2023 +0 days 🔍
01/20/2026 +791 days 🔍

Sourcesinfo

Vendor: tenda.com.cn

Advisory: github.com
Status: Not defined

CVE: CVE-2023-38823 (🔍)
GCVE (CVE): GCVE-0-2023-38823
GCVE (VulDB): GCVE-100-245865
EUVD: 🔍

Entryinfo

Created: 11/21/2023 07:23
Updated: 01/20/2026 04:19
Changes: 11/21/2023 07:23 (38), 12/15/2023 07:53 (11), 07/30/2024 01:02 (15), 01/20/2026 04:19 (3)
Complete: 🔍
Cache ID: 216::103

Submitinfo

Duplicate

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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