Tenda W3 1.0.0.3 ask_to_reboot Go stack-based 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-$5k0.00-

Summaryinfo

A vulnerability marked as critical has been reported in Tenda W3 1.0.0.3. Affected by this issue is the function ask_to_reboot. The manipulation of the argument Go leads to stack-based overflow. This vulnerability is documented as CVE-2026-36770. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Tenda W3 1.0.0.3. This issue affects the function ask_to_reboot. The manipulation of the argument Go with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Shenzhen Tenda Technology Co., Ltd Tenda US_W3V1.0BR v1.0.0.3 was discovered to contain a stack overflow in the Go parameter of the ask_to_reboot function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-36770 since 04/06/2026. The exploitation is known to be easy. The attack may be initiated remotely. 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 06/09/2026).

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

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Productinfo

Type

Vendor

Name

Version

License

Website

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: Stack-based overflow
CWE: CWE-121 / 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-2026-36770 (🔒)
GCVE (CVE): GCVE-0-2026-36770
GCVE (VulDB): GCVE-100-369821

Entryinfo

Created: 06/09/2026 21:09
Changes: 06/09/2026 21:09 (55)
Complete: 🔍
Cache ID: 216::103

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