High severity8.8NVD Advisory· Published Apr 25, 2026· Updated Apr 30, 2026

CVE-2026-6988

Description

A flaw has been found in Tenda HG10 HG7_HG9_HG10re_300001138_en_xpon. This issue affects the function formRoute of the file /boaform/formRouting of the component Boa Service. This manipulation of the argument nextHop causes buffer overflow. It is possible to initiate the attack remotely. The exploit has been published and may be used.

Affected products

Tenda/Hg10 Firmware
cpe:2.3:o:tenda:hg10_firmware:300001138:*:*:*:*:*:*:*

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

github.com/xyh4ck/iot_poc/blob/main/Tenda/HG10/01_Buffer_Overflow_nextHop/README.mdnvdExploitThird Party Advisory
vuldb.com/submit/796427nvdThird Party AdvisoryVDB Entry
vuldb.com/vuln/359540nvdThird Party AdvisoryVDB Entry
vuldb.com/vuln/359540/ctinvdPermissions RequiredVDB Entry
www.tenda.com.cnnvdProduct

News mentions

No linked articles in our index yet.

Severity

HighCVSS v3.1

8.8/ 10

CVSS v47.4

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/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: Low
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Vector

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

EPSS

Probability of exploitation in the next 30 days.

0.08%

VYPR risk score

Composite of severity, exploitation, and reach.

0.57high

cvss	0.572
epss	0.000
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-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CVE ID

CVE-2026-6988

Credits

X(
xuanyu (VulDB User)
reporter