CVE-2023-34278: D-Link DIR-2150 SetSysEmailSettings EmailFrom Command Injection Remote Code Execution Vulnerability

Severity: high (CVSS 8.0 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-05-03 · updated 2026-06-17
Weakness: CWE-78

Description

D-Link DIR-2150 SetSysEmailSettings EmailFrom Command Injection Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-2150 routers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the SOAP API interface, which listens on TCP port 80 by default. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-20556.

Affected products

D-Link DIR-2150: before 1.06 — fixed in 1.06

How to fix

Upgrade to a fixed version: D-Link DIR-2150 1.06. Check the vendor advisory for mitigations.

References

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