Tenda W20E 15.11.0.6 /goform/setPortMirror formSetPortMirror portMirrorMirroredPorts 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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8.0$0-$5k2.27

Summaryinfo

A vulnerability was found in Tenda W20E 15.11.0.6 and classified as critical. This issue affects the function formSetPortMirror of the file /goform/setPortMirror. Executing a manipulation of the argument portMirrorMirroredPorts can lead to stack-based overflow. This vulnerability is tracked as CVE-2026-11522. The attack can be launched remotely. Moreover, an exploit is present.

Detailsinfo

A vulnerability was found in Tenda W20E 15.11.0.6. It has been declared as critical. This vulnerability affects the function formSetPortMirror of the file /goform/setPortMirror. The manipulation of the argument portMirrorMirroredPorts with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is 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). As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is available at github.com. This vulnerability was named CVE-2026-11522. The exploitation appears to be easy. The attack can be initiated remotely. Technical details and also a public exploit are known.

It is possible to download the exploit at github.com. It is declared as proof-of-concept.

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: 8.0

VulDB Base Score: 8.8
VulDB Temp Score: 8.0
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: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
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

06/07/2026 Advisory disclosed
06/07/2026 +0 days VulDB entry created
06/07/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: tenda.com.cn

Advisory: github.com
Status: Not defined

CVE: CVE-2026-11522 (🔒)
GCVE (CVE): GCVE-0-2026-11522
GCVE (VulDB): GCVE-100-369142
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 06/07/2026 18:11
Changes: 06/07/2026 18:11 (57)
Complete: 🔍
Submitter: hacker128
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #836469: Tenda W20E Enterprise Router V15.11.0.6 Stack-based Buffer Overflow (by hacker128)

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