CVE-2026-11553

A vulnerability was found in Tenda HG7, HG9 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.

CVSS 4.0

7.4CVSS: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

8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

0.5% chance of exploitation in the next 30 days; higher than 40% of CVEs (scores of 2026-10-25)

CWEs

CWE-119, CWE-121

Published

2026-06-08

Modified

2026-10-02

Record from

the NVD, synced 2026-10-19

References

• https://github.com/xiezhihua-1127/Tenda-Stack-Overflow.git
• https://github.com/xiezhihua-1127/Tenda-Stack-Overflow/blob/main/report.md
• https://vuldb.com/cve/CVE-2026-11553
• https://vuldb.com/submit/836778
• https://vuldb.com/vuln/369163

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