CVE-2025-9443 — Improper Restriction of Operations within the Bounds of a Memory Buffer in Ch22

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory BufferCWE-120 — Classic Buffer Overflow3 documents3 sources
Severity
7.4HIGHNVD
EPSS
0.2%
top 51.86%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Tenda Ch22Tenda Ch22 Firmware
Timeline
PublishedAug 26

Description

A flaw has been found in Tenda CH22 1.0.0.1. This vulnerability affects the function formeditUserName of the file /goform/editUserName. Executing manipulation of the argument new_account can lead to buffer overflow. It is possible to launch the attack remotely. The exploit has been published and may be used.

CVSS 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

Affected Packages2 packages

▶CVEListV5tenda/ch221.0.0.1
▶NVDtenda/ch22_firmware1.0.0.1

🔴Vulnerability Details

2
CVEList
Tenda CH22 editUserName formeditUserName buffer overflow↗2025-08-26
▶
GHSA
GHSA-c48j-9c86-pwjg: A flaw has been found in Tenda CH22 1↗2025-08-26
▶
CVE-2025-9443 — Tenda Ch22 vulnerability | cvebase