CVE-2022-29778: D-Link DIR-890L 1.20b01 allows attackers to execute arbitrary code due to the hardcoded option Wake-On-Lan for

Q: How do I fix CVE-2022-29778?

dir-890l firmware: upgrade to newer than 1.22b01. Exact commands for each OS are on this page.

Q: Is CVE-2022-29778 being exploited?

CVE-2022-29778 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-29778 affect?

CVE-2022-29778 affects dir-890l firmware. Severity is high (CVSS 8.8). D-Link DIR-890L 1.20b01 allows attackers to execute arbitrary code due to the hardcoded option Wake-On-Lan for the parameter 'descriptor' at SetVirtualServerSettings.php

Q: How urgent is CVE-2022-29778?

Priority 58/100. High severity; Public exploit reference

This month

HIGH 8.8UPGRADE

CVE-2022-29778 is a high-severity flaw (CVSS 8.8) affecting dir-890l firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

D-Link DIR-890L 1.20b01 allows attackers to execute arbitrary code due to the hardcoded option Wake-On-Lan for the parameter 'descriptor' at SetVirtualServerSettings.php

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	2.9% (top 13%)
CISA exploited list	No
Weakness	CWE-798
Published	2022-06-03
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: dlink

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

Am I affected?

Timeline

2022-06-03 21:15 UTCPublished CVE record published
2026-06-17 04:40 UTCUpdated Record last modified

dlink dir-890l firmware UPGRADE

Affected: <= 1.22b01

Fixed in: newer than 1.22b01

Safe to downgrade to: no unaffected older release

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-2022-29778?

dir-890l firmware: upgrade to newer than 1.22b01. Exact commands for each OS are on this page.

Is CVE-2022-29778 being exploited?

CVE-2022-29778 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-2022-29778 affect?

CVE-2022-29778 affects dir-890l firmware. Severity is high (CVSS 8.8). D-Link DIR-890L 1.20b01 allows attackers to execute arbitrary code due to the hardcoded option Wake-On-Lan for the parameter 'descriptor' at SetVirtualServerSettings.php

How urgent is CVE-2022-29778?

Priority 58/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities · D-Link vulnerabilities

Related CVEs

CVE-2025-8231 MEDIUM 6.8 UPGRADE A vulnerability, which was classified as critical, has been found in D-Link DIR-890L up to 111b04
CVE-2025-4340 MEDIUM 6.3 UPGRADE UPGRADE A vulnerability classified as critical has been found in D-Link DIR-890L and DIR-806A1 up to 100CNb11/108B03
CVE-2022-30521 CRITICAL 9.8 UPGRADE The LAN-side Web-Configuration Interface has Stack-based Buffer Overflow vulnerability in the D-Link Wi-Fi rou
CVE-2018-12103 MEDIUM 6.5 UPGRADE UPGRADE An issue was discovered on D-Link DIR-890L with firmware 1.21B02beta01 and earlier, DIR-885L/R with firmware 1
CVE-2017-14948 CRITICAL 9.8 MITIGATE MITIGATE Certain D-Link products are affected by: Buffer Overflow

References

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