CVE-2021-46321 — CRITICAL (9.8)

Vulnerability 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.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Tenda	Ac11 Firmware	02.03.01.104_cn
Tenda	Ac11	-

Related Weaknesses (CWE)

CWE-787

References

https://github.com/Ainevsia/CVE-Request/tree/main/Tenda/15ExploitThird Party Advisory
https://github.com/Ainevsia/CVE-Request/tree/main/Tenda/15ExploitThird Party Advisory

FAQ

What is CVE-2021-46321?

CVE-2021-46321 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 cr...

How severe is CVE-2021-46321?

CVE-2021-46321 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-46321?

Check the references section above for vendor advisories and patch information. Affected products include: Tenda Ac11 Firmware, Tenda Ac11.