CVE-2025-7553 D-Link DIR-818LW System Time Page os command injection

Medium 5.1 Published 13 Jul 2025 Updated 14 Jul 2025

Remote attackers can execute arbitrary OS commands via the NTP Server argument in the System Time Page of unsupported D-Link DIR-818LW routers.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-7553?

CVE-2025-7553 is a medium-severity command injection vulnerability in D-Link DIR-818LW, published on 13 Jul 2025. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

A vulnerability classified as critical has been found in D-Link DIR-818LW up to 20191215. This affects an unknown part of the component System Time Page. The manipulation of the argument NTP Server leads to os command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

Weakness: CWE-78, CWE-77

Which versions are affected by CVE-2025-7553?

It affects 1 product.

Products include Dlink Dir-818lw Firmware.

How do I fix CVE-2025-7553?

No fix has been published for CVE-2025-7553 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2025-7553 being exploited?

There is no known exploitation of CVE-2025-7553 in the wild and no public exploit code.

Sources

Also known as GHSA-86cj-mgp6-w7fc.