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CVE-2026-2168— D-Link DWR-M921 formLtefotaUpgradeQuectel sub_419920 command injection

CVSS 6.3 · Medium EPSS 0.03% · P9
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I. Basic Information for CVE-2026-2168

Vulnerability Information
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Vulnerability Title
D-Link DWR-M921 formLtefotaUpgradeQuectel sub_419920 command injection
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw has been found in D-Link DWR-M921 1.1.50. This affects the function sub_419920 of the file /boafrm/formLtefotaUpgradeQuectel. This manipulation of the argument fota_url causes command injection. It is possible to initiate the attack remotely. The exploit has been published and may be used.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
D-Link DWR-M921 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
D-Link DWR-M921是中国友讯（D-Link）公司的一款路由器。 D-Link DWR-M921 1.1.50版本存在命令注入漏洞，该漏洞源于对文件/boafrm/formLtefotaUpgradeQuectel中参数fota_url的错误操作，可能导致命令注入。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
D-LinkDWR-M921 1.1.50 -

II. Public POCs for CVE-2026-2168

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III. Intelligence Information for CVE-2026-2168

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Same Patch Batch · D-Link · 2026-02-08 · 14 CVEs total

CVE-2026-21757.2 HIGHD-Link DIR-823X set_upnp sub_420618 os command injection
CVE-2026-21577.2 HIGHD-Link DIR-823X set_static_route_table sub_4175CC os command injection
CVE-2026-21557.2 HIGHD-Link DIR-823X Configuration set_dmz sub_4208A0 os command injection
CVE-2026-21527.2 HIGHD-Link DIR-615 Web Configuration adv_routing.php os command injection
CVE-2026-21517.2 HIGHD-Link DIR-615 DMZ Host Feature adv_firewall.php os command injection
CVE-2026-21437.2 HIGHD-Link DIR-823X DDNS Service set_ddns os command injection
CVE-2026-21427.2 HIGHD-Link DIR-823X set_qos sub_420688 os command injection
CVE-2026-21297.2 HIGHD-Link DIR-823X set_ac_status os command injection
CVE-2026-21207.2 HIGHD-Link DIR-823X Configuration Parameter set_server_settings os command injection
CVE-2026-21946.3 MEDIUMD-Link DI-7100G C1 start_proxy_client_email command injection
CVE-2026-21936.3 MEDIUMD-Link DI-7100G C1 set_jhttpd_info command injection
CVE-2026-21696.3 MEDIUMD-Link DWR-M921 formLtefotaUpgradeFibocom command injection
CVE-2026-21634.7 MEDIUMD-Link DIR-600 ssdp.cgi command injection

IV. Related Vulnerabilities

Same product: DWR-M921
Same vendor: D-Link
Same weakness: CWE-77

V. Comments for CVE-2026-2168

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