CVE-2022-39068: mf296r Heap Overflow — Fix

Description

There is a buffer overflow vulnerability in ZTE MF296R. Due to insufficient validation of the SMS parameter length, an authenticated attacker could use the vulnerability to perform a denial of service attack.

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CVSS v3.1 Score

4.5

MEDIUM

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

Weakness Type (CWE)

CWE-122 CWE-122

CWE-787 Out-of-bounds Write

Affected Products

Vendor	Product	Versions
zte	mf296r_firmware	All
zte	mf296r	All

References

Advisories & Patches

https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1028984

Frequently Asked Questions

What is CVE-2022-39068? +

There is a buffer overflow vulnerability in ZTE MF296R. Due to insufficient validation of the SMS parameter length, an authenticated attacker could use the vulnerability to perform a denial of service attack. It has a CVSS v3.1 base score of 4.5 (MEDIUM).

How severe is CVE-2022-39068? +

CVE-2022-39068 has a CVSS v3.1 score of 4.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2022-39068? +

CVE-2022-39068 affects products from zte, specifically: mf296r, mf296r_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2022-39068? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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