CVE-2018-18442: D-Link DCS-825L devices with firmware 1.08 do not employ a suitable mechanism to prevent denial-of-service (Do

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HIGH 7.5REMOTEMITIGATE

CVE-2018-18442 is a high-severity flaw (CVSS 7.5) affecting dcs-825l firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

D-Link DCS-825L devices with firmware 1.08 do not employ a suitable mechanism to prevent denial-of-service (DoS) attacks. An attacker can harm the device availability (i.e., live-online video/audio streaming) by using the hping3 tool to perform an IPv4 flood attack. Verified attacks includes SYN flooding, UDP flooding, ICMP flooding, and SYN-ACK flooding.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.3% (top 30%)
CISA exploited list	No
Published	2018-12-20
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: d-link

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2018-12-20 23:29 UTCPublished CVE record published
2026-06-17 01:47 UTCUpdated Record last modified

d-link dcs-825l firmware MITIGATE

Affected: 1.08

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.08

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2018-18442?

dcs-825l firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-18442 being exploited?

CVE-2018-18442 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2018-18442 affect?

CVE-2018-18442 affects dcs-825l firmware. Severity is high (CVSS 7.5). D-Link DCS-825L devices with firmware 1.08 do not employ a suitable mechanism to prevent denial-of-service (DoS) attacks. An attacker can harm the device availability (i.e., live-online video/audio streaming) by using the hping3 tool to per

How urgent is CVE-2018-18442?

Priority 54/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

D-Link vulnerabilities

Related CVEs

CVE-2025-55582 MEDIUM 6.6 MITIGATE D-Link DCS-825L firmware v1.08.01 contains a vulnerability in the watchdog script `mydlink-watch-dog.sh`, whic
CVE-2025-55581 HIGH 7.3 UPGRADE D-Link DCS-825L firmware version 1.08.01 and possibly prior versions contain an insecure implementation in the
CVE-2018-18767 HIGH 7.0 DOWNGRADE MITIGATE An issue was discovered in D-Link 'myDlink Baby App' version 2.04.06
CVE-2018-18441 HIGH 7.5 MITIGATE MITIGATE D-Link DCS series Wi-Fi cameras expose sensitive information regarding the device configuration

References

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