Vulnerability identifier: #VU46078

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-9085

CWE-ID: CWE-476

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Huawei 4G Router B612
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Huawei

Description

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

The vulnerability exists due to a NULL pointer dereference error. A remote attacker can send specially crafted POST messages and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Huawei 4G Router B612: B612s-25dTCPU-V100R001B192D03SP00C234 - B612s-25dTCPU-V100R001B192D05SP00C00

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External links
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200826-01-pointer_en

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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.