#VU66082 Input validation error in CV81-WDM FW


Published: 2022-08-04

Vulnerability identifier: #VU66082

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-37395

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
CV81-WDM FW
Hardware solutions / Firmware

Vendor: Huawei

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in the SNMP parsing module. A remote attacker can send a specially crafted SNMP packet and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

CV81-WDM FW: 01.70.49.29.46


External links
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20220810-01-8cfecdcc-en


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability