Critical severity9.8NVD Advisory· Published Jun 8, 2026· Updated Oct 2, 2026

CVE-2026-11499

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Tenda/HG7llm-create
Range: 300001138_en_xpon
Tenda/HG9llm-fuzzy
Range: 300001138_en_xpon
Tenda/HG10llm-fuzzy
Range: 300001138_en_xpon
Ssaaaa1234/Tenda Hg10 Formdomainblk Stack Overflow 2references

Patches

Vulnerability mechanics

References

News mentions

Tenda Routers: 13 Stack Overflow and Command Injection Vulnerabilities Disclosed
Vypr Intelligence · Jun 8, 2026
Tenda Routers: Four Vulnerabilities Including Critical Buffer Overflow Disclosed
Vypr Intelligence · Jun 8, 2026

Severity

CriticalCVSS v3.1

9.8/ 10

CVSS v49.3

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack vector: Network
Complexity: Low
Privileges: None
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected

Source repo: github.com/ssaaaa1234/Tenda-HG10-formDOMAINBLK-stack-overflow-2

EPSS

Probability of exploitation in the next 30 days.

6.64%

VYPR risk score

Composite of severity, exploitation, and reach.

0.64high

cvss	0.637
epss	0.005
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000

Weaknesses

CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-121
Stack-based Buffer Overflow

CVE ID

CVE-2026-11499