CVE-2026-2909 - Tenda HG9 Diagnostic Ping Endpoint formPing stack-based overflow

Back Back to CVE browser

HIGH

Tenda HG9 Diagnostic Ping Endpoint formPing stack-based overflow

Published Feb 22, 2026

8.7

HIGH

CVSS 4.0

EPSS 1.03%

Description

A vulnerability was detected in Tenda HG9 300001138. This affects an unknown part of the file /boaform/formPing of the component Diagnostic Ping Endpoint. Performing a manipulation of the argument pingAddr results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may be used.

Affected products

Vendor Tenda Product HG9 Default
n/a
- Version
  300001138
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Tenda

HG9

n/a

Version	Status	Constraints
300001138	affected	-

Remediation

No remediation recorded yet.

Weaknesses (2)

CWE-119

Buffer Overflow

CWE-121

References (6)

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-7541
Advisory
https://github.com/QIU-DIE/cve-nneeww/issues/11
exploitissue-trackingIssue TrackingMitigationThird Party Advisory
https://vuldb.com/?ctiid.347218
signaturepermissions-requiredPermissions RequiredVDB Entry
https://vuldb.com/?id.347218
vdb-entrytechnical-descriptionThird Party AdvisoryVDB Entry
https://vuldb.com/?submit.755211
third-party-advisoryThird Party AdvisoryVDB Entry
https://www.tenda.com.cn/
product

Link	Providers	Tags
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-7541		Advisory
https://github.com/QIU-DIE/cve-nneeww/issues/11		exploitissue-trackingIssue TrackingMitigationThird Party Advisory
https://vuldb.com/?ctiid.347218		signaturepermissions-requiredPermissions RequiredVDB Entry
https://vuldb.com/?id.347218		vdb-entrytechnical-descriptionThird Party AdvisoryVDB Entry
https://vuldb.com/?submit.755211		third-party-advisoryThird Party AdvisoryVDB Entry
https://www.tenda.com.cn/		product