Tenda G0 15.11.0.5 HTTP formIPMacBindDel IPMacBindIndex buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.5$0-$5k0.64-

Summaryinfo

A vulnerability classified as critical was found in Tenda G0 15.11.0.5. This impacts the function formIPMacBindDel of the component HTTP Handler. Executing a manipulation of the argument IPMacBindIndex can lead to buffer overflow. This vulnerability is handled as CVE-2026-36800. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability has been found in Tenda G0 15.11.0.5 and classified as critical. This vulnerability affects the function formIPMacBindDel of the component HTTP Handler. The manipulation of the argument IPMacBindIndex 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. CVE summarizes:

Shenzhen Tenda Technology Co., Ltd Tenda G0 v15.11.0.5 was discovered to contain a buffer overflow in the IPMacBindIndex parameter of the formIPMacBindDel function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted HTTP request.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-36800 since 04/06/2026. The exploitation appears to be easy. The attack can be initiated remotely. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 06/09/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.5

VulDB Base Score: 8.8
VulDB Temp Score: 8.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

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
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

04/06/2026 CVE reserved
06/09/2026 +64 days Advisory disclosed
06/09/2026 +0 days VulDB entry created
06/09/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: tenda.com.cn

Advisory: github.com
Status: Not defined

CVE: CVE-2026-36800 (🔒)
GCVE (CVE): GCVE-0-2026-36800
GCVE (VulDB): GCVE-100-369796

Entryinfo

Created: 06/09/2026 21:03
Changes: 06/09/2026 21:03 (56)
Complete: 🔍
Cache ID: 216::103

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