CVE-2018-20675

What it is

D-Link DIR-822 C1 before v3.11B01Beta, DIR-822-US C1 before v3.11B01Beta, DIR-850L A* before v1.21B08Beta, DIR-850L B* before v2.22B03Beta, and DIR-880L A* before v1.20B02Beta devices allow authentication bypass.

At a glance

Exploitability

Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.

Exploit odds

1.8% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2019-01-09 00:29 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 01:53 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 1.8% in the next 30 days (EPSS).
• Severity: 9.8 CRITICAL (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2019-01-09 00:29 UTC

Last modified

2026-06-17 01:53 UTC

Exploit probability

1.8% · EPSS, next 30 days

Weakness

CWE-287 · Improper authentication

Record status

Modified

Affected

• Dlink dir-822 Firmware ≤ 3.10b06
• Dlink dir-822-us Firmware ≤ 3.10b06
• Dlink dir-850l Firmware ≤ 1.21b07
• Dlink dir-850l Firmware ≤ 2.21b01
• Dlink dir-850l Firmware 2.22b02
• Dlink dir-880l Firmware ≤ 1.07.b08
• Dlink dir-880l Firmware 1.20b01

Attack profile CVSS 3.1 · 9.8

Attack vector

Network

Complexity

Low

Privileges needed

None

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Is it in your code?

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