CVE-2026-11553

high

Description

A vulnerability was found in Tenda HG7HG9 and HG10 300001138_en_xpon. This affects the function formPPPEdit of the file /boaform/formPPPEdit. The manipulation of the argument encodename results in stack-based buffer overflow. The attack can be launched remotely. The exploit has been made public and could be used.

References

https://www.tenda.com.cn/

https://vuldb.com/vuln/369163/cti

https://vuldb.com/vuln/369163

https://vuldb.com/submit/836778

https://vuldb.com/cve/CVE-2026-11553

https://github.com/xiezhihua-1127/Tenda-Stack-Overflow/blob/main/report.md

https://github.com/xiezhihua-1127/Tenda-Stack-Overflow.git

Details

Source: Mitre, NVD

Published: 2026-06-08

Updated: 2026-06-09

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

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

Severity: High

CVSS v4

Base Score: 8.7

Vector: 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

Severity: High

EPSS

EPSS: 0.00088