CVE-2026-2909

7.4 highEPSS 0.6%

High (7.4) in tenda hg9 firmware. EPSS 0.6% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

7.4 high

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

CVSS 3.1

8.8 high

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

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 50% of CVEs (scores of 2026-10-31)
CWEs: CWE-119, CWE-121
Published: 2026-02-22
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

tenda:hg9_firmware

References

https://github.com/QIU-DIE/cve-nneeww/issues/11
https://vuldb.com/?ctiid.347218
https://vuldb.com/?id.347218
https://vuldb.com/?submit.755211
https://www.tenda.com.cn/

Check your stack JSON