CVE-2026-11499

Tenda HG7/HG9/HG10 formDOMAINBLK stack-based overflow

State: Published
Severity: 9.3 Critical
Published: Jun 8, 2026
Updated: Oct 2, 2026
Reserved: Jun 7, 2026

Description

A vulnerability was determined in Tenda HG7, HG9 and HG10 300001138_en_xpon. This affects the function formDOMAINBLK of the file /boaform/formDOMAINBLK. Executing a manipulation of the argument blkDomain can lead to stack-based buffer overflow. The attack may be performed from remote.

Scores

CVSS	Score	Vector	Source
4.0	9.3 Critical	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X	VulDB
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R	VulDB
3.0	9.8 Critical	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R	VulDB
2.0	10.0 High	AV:N/AC:L/Au:N/C:C/I:C/A:C/E:ND/RL:ND/RC:UR	VulDB

Weaknesses

CWE-121 Stack-based Buffer Overflow
CWE-119 Memory Corruption

Affected Products

Product	Versions
HG7Tenda	300001138_en_xponAffected
HG9Tenda	300001138_en_xponAffected
HG10Tenda	300001138_en_xponAffected

References

VDB-369119 | Tenda HG7/HG9/HG10 formDOMAINBLK stack-based overflowvdb-entrytechnical-description
VDB-369119 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
CVE-2026-11499 | CVE Analysis and Reportthird-party-advisory
Submit #834888 | Tenda HG10 HG7_HG9_HG10re_300001138_en_xpon stack-based buffer overflowthird-party-advisory
Submit #888875 | Tenda HG10 HG7_HG9_HG10re_300001138 Denial of Service (Duplicate)third-party-advisory
https://github.com/ssaaaa1234/Tenda-HG10-formDOMAINBLK-stack-overflow-2related
https://www.tenda.com.cn/product

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