CVE-2021-46321

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

Tenda AC Series Router AC11_V02.03.01.104_CN was discovered to contain a stack buffer overflow in the wifiBasicCfg module. This vulnerability allows attackers to cause a Denial of Service (DoS) via crafted overflow data.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-787

Affected software

No affected versions have been published.

Timeline

Published
Feb 15, 2022
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-463225.5Duktape v2.99.99 was discovered to contain a SEGV vulnerability via the component duk_push_tval in duktape/duk_api_stack.c.CVE-2021-463235.5Espruino 2v11.251 was discovered to contain a SEGV vulnerability via src/jsinteractive.c in jsiGetDeviceFromClass.CVE-2021-463247.8Espruino 2v11.251 was discovered to contain a stack buffer overflow via src/jsvar.c in jsvNewFromString.CVE-2021-463257.8Espruino 2v10.246 was discovered to contain a stack buffer overflow via src/jsutils.c in vcbprintf.CVE-2021-463267.8Moddable SDK v11.5.0 was discovered to contain a heap-buffer-overflow via the component __asan_memcpy.CVE-2021-463275.5Moddable SDK v11.5.0 was discovered to contain a SEGV vulnerability via xs/sources/xsArray.c in fx_Array_prototype_sort.CVE-2021-463287.8Moddable SDK v11.5.0 was discovered to contain a heap-buffer-overflow via the component __libc_start_main.CVE-2021-463295.5Moddable SDK v11.5.0 was discovered to contain a SEGV vulnerability via the component _fini.CVE-2021-463305.5Moddable SDK v11.5.0 was discovered to contain a SEGV vulnerability via xs/sources/xsDataView.c in fx_ArrayBuffer_prototype_concat.CVE-2021-463315.5Moddable SDK v11.5.0 was discovered to contain a SEGV vulnerability via xs/sources/xsProxy.c in fxProxyGetPrototype.CVE-2021-463327.8Moddable SDK v11.5.0 was discovered to contain a heap-buffer-overflow via xs/sources/xsDataView.c in fxUint8Getter.CVE-2021-463335.5Moddable SDK v11.5.0 was discovered to contain an invalid memory access vulnerability via the component __asan_memmove.
CVE-2021-46321: Critical severity, CVSS 9.8 | Vulnix