Which products and versions are affected by CVE-2019-17506?

Affected: Dir-817lw A1 Firmware (Dlink) versions 1.04; Dir-868l B1 Firmware (Dlink) versions 2.03. The full list is in the CVE brief.

Is CVE-2019-17506 being exploited in the wild?

It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Oct 14, 2023.

Is CVE-2019-17506 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2019-17506?

No public exploit code is known.

Is there a fix for CVE-2019-17506?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2019-17506 be patched?

Brandefense priority: patch immediately, because it is listed as exploited in the wild.

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Vulnerability Intelligence

CVE-2019-17506

CriticalExploited

There are some web interfaces without authentication requirements on D-Link DIR-868L B1-2.03 and DIR-817LW A1-1.04 routers.

Published Oct 11, 2019 · Updated Nov 21, 2024

Key Facts

Patch immediately

CVE-2019-17506 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Dir-817lw A1 Firmware (Dlink), Dir-868l B1 Firmware (Dlink).
It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Oct 14, 2023. No public exploit code is known.
EPSS estimates a 56% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

9.8

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

56%

Higher than 99.0% of all scored CVEs

Exploited in the wild

Yes

2 catalog listings

Public exploit code

None known

Get the full CVE-2019-17506 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

There are some web interfaces without authentication requirements on D-Link DIR-868L B1-2.03 and DIR-817LW A1-1.04 routers. An attacker can get the router's username and password (and other information) via a DEVICE.ACCOUNT value for SERVICES in conjunction with AUTHORIZED_GROUP=1%0a to getcfg.php. This could be used to control the router remotely.

Known-Exploited Catalog Listings

Catalog	Added	Remediation due	Ransomware use
Industry KEV feed	Nov 17, 2023	n/a	Not reported
CIRCL KEV	Oct 14, 2023	n/a	Not reported

Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Affected Products

2 affected entries in total

Product	Affected versions	Fixed in
Dir-817lw A1 FirmwareDlink	1.04	n/a
Dir-868l B1 FirmwareDlink	2.03	n/a

Timeline

Publicly disclosed
Oct 11, 2019
Added to CIRCL KEV
Oct 14, 2023
Added to Industry KEV feed
Nov 17, 2023
Last updated
Nov 21, 2024

Weakness Type

CWE-306 Missing Authentication for Critical Function

References

6 more references in the full CVE brief

FAQ

Common Questions.

There are some web interfaces without authentication requirements on D-Link DIR-868L B1-2.03 and DIR-817LW A1-1.04 routers.
Affected: Dir-817lw A1 Firmware (Dlink) versions 1.04; Dir-868l B1 Firmware (Dlink) versions 2.03. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Oct 14, 2023.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

Is CVE-2019-17506 Running On Your Attack Surface?

Brandefense maps vulnerabilities like this one to your internet-facing assets and tells you exactly where to patch.