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NewStart CGSL MAIN 6.06 (SP) : nbd Multiple Vulnerabilities (NS-SA-2026-0012)

critical Nessus Plugin ID 301201

Synopsis

The remote NewStart CGSL host is affected by multiple vulnerabilities.

Description

The remote NewStart CGSL host, running version MAIN 6.06 (SP), has nbd packages installed that are affected by multiple vulnerabilities:

 - In nbd-server in nbd before 3.24, there is a stack-based buffer overflow. An attacker can cause a buffer overflow in the parsing of the name field by sending a crafted NBD_OPT_INFO or NBD_OPT_GO message with an large value as the length of the name. (CVE-2022-26496)

 - In nbd-server in nbd before 3.24, there is an integer overflow with a resultant heap-based buffer overflow. A value of 0xffffffff in the name length field will cause a zero-sized buffer to be allocated for the name, resulting in a write to a dangling pointer. This issue exists for the NBD_OPT_INFO, NBD_OPT_GO, and NBD_OPT_EXPORT_NAME messages. (CVE-2022-26495)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade the vulnerable CGSL nbd packages. Note that updated packages may not be available yet. Please contact ZTE for more information.

See Also

https://security.gd-linux.com/notice/NS-SA-2026-0012

https://security.gd-linux.com/info/CVE-2022-26495

https://security.gd-linux.com/info/CVE-2022-26496

Plugin Details

Severity: Critical

ID: 301201

File Name: newstart_cgsl_NS-SA-2026-0012_nbd.nasl

Version: 1.1

Type: local

Published: 3/6/2026

Updated: 3/6/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2022-26496

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:zte:cgsl_main:nbd, cpe:/o:zte:cgsl_main:6

Required KB Items: Host/local_checks_enabled, Host/ZTE-CGSL/release, Host/ZTE-CGSL/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/4/2026

Vulnerability Publication Date: 3/6/2022

Reference Information

CVE: CVE-2022-26495, CVE-2022-26496