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A vulnerability was determined in Tenda HG7HG9 and HG10 300001138_en_xpon. (CVE-2026-11499)

0
Critical
Published: 06/08/2026 (06/08/2026, 09:32:00 UTC)
Source: GCVE Database

Description

A critical stack-based buffer overflow vulnerability exists in the formDOMAINBLK function of the /boaform/formDOMAINBLK file in Tenda HG7HG9 and HG10 300001138_en_xpon devices. This vulnerability can be exploited remotely by manipulating the blkDomain argument, potentially leading to complete compromise of confidentiality, integrity, and availability.

CVSS v3.1

Score 9.8critical

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 10/02/2026, 18:23:33 UTC

Technical Analysis

CVE-2026-11499 is a critical vulnerability affecting Tenda HG7HG9 and HG10 300001138_en_xpon devices. The flaw resides in the formDOMAINBLK function within the /boaform/formDOMAINBLK file. An attacker can remotely trigger a stack-based buffer overflow by manipulating the blkDomain argument, which may result in arbitrary code execution or denial of service. The vulnerability has a CVSS 3.1 base score of 9.8, indicating high severity with network attack vector, no privileges required, and no user interaction needed.

Potential Impact

Successful exploitation of this vulnerability can lead to full compromise of the affected device, including unauthorized code execution, data corruption, and denial of service. The vulnerability affects confidentiality, integrity, and availability at the highest level.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided in the available data. Until a patch is available, restrict network access to the affected devices and monitor for suspicious activity related to the vulnerable function.

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Technical Details

Gcve Source
db.gcve.eu
Osv Id
GHSA-xv62-77m9-3736
Osv Schema Version
1.4.0
Aliases
["CVE-2026-11499"]
Database Specific Severity
CRITICAL
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6abfeec0a43b0b3b89e5785e

Added to database: 10/02/2026, 17:49:52 UTC

Last enriched: 10/02/2026, 18:23:33 UTC

Last updated: 10/02/2026, 18:26:02 UTC

Views: 2

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