Tenda W15EV1 15.11.0.14 Request formModifyDnsForward DNSDomainName buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Tenda W15EV1 15.11.0.14. Affected by this vulnerability is the function formModifyDnsForward of the component Request Handler. The manipulation of the argument DNSDomainName leads to buffer overflow. This vulnerability is listed as CVE-2023-27063. There is no available exploit.

Detailsinfo

A vulnerability was found in Tenda W15EV1 15.11.0.14. It has been rated as critical. This issue affects the function formModifyDnsForward of the component Request Handler. The manipulation of the argument DNSDomainName 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 availability. The summary by CVE is:

Tenda V15V1.0 V15.11.0.14(1521_3190_1058) was discovered to contain a buffer overflow vulnerability via the DNSDomainName parameter in the formModifyDnsForward function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

The weakness was presented 03/13/2023. The advisory is shared at github.com. The identification of this vulnerability is CVE-2023-27063 since 02/27/2023. Technical details are known, 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.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-30852). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.7
VulDB Meta Temp Score: 7.6

VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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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

02/27/2023 🔍
03/13/2023 +14 days 🔍
03/13/2023 +0 days 🔍
11/14/2025 +977 days 🔍

Sourcesinfo

Vendor: tenda.com.cn

Advisory: github.com
Status: Not defined

CVE: CVE-2023-27063 (🔍)
GCVE (CVE): GCVE-0-2023-27063
GCVE (VulDB): GCVE-100-222893
EUVD: 🔍

Entryinfo

Created: 03/13/2023 15:46
Updated: 11/14/2025 09:30
Changes: 03/13/2023 15:46 (40), 04/04/2023 18:05 (11), 11/14/2025 09:30 (17)
Complete: 🔍
Cache ID: 216::103

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