Which products and versions are affected by CVE-2021-3017?

Affected: Win 300 Firmware (Intelbras); Wrn 342 Firmware (Intelbras). The full list is in the CVE brief.

Is CVE-2021-3017 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2021-3017 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-2021-3017?

No public exploit code is known.

Is there a fix for CVE-2021-3017?

Fixed versions are available, including Win 300 Firmware <=2021-01-04, Wrn 342 Firmware <=2021-01-04, Win 300 Firmware 2021-01-04.

How urgently should CVE-2021-3017 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2021-3017

Q: What is CVE-2021-3017?

The web interface on Intelbras WIN 300 and WRN 342 devices through 2021-01-04 allows remote attackers to discover credentials by reading the def_wirelesspassword line in the HTML source code.

Q: How urgently should CVE-2021-3017 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

High

The web interface on Intelbras WIN 300 and WRN 342 devices through 2021-01-04 allows remote attackers to discover credentials by reading the def_wirelesspassword line in the HTML source code.

Published Apr 14, 2021 · Updated Nov 21, 2024

Key Facts

Patch immediately

CVE-2021-3017 is a high-severity vulnerability (CVSS 7.5 v3.1) affecting Win 300 Firmware (Intelbras), Wrn 342 Firmware (Intelbras).
It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
EPSS estimates a 63% probability of exploitation in the next 30 days.
Fixed versions are available, including Win 300 Firmware <=2021-01-04, Wrn 342 Firmware <=2021-01-04, Win 300 Firmware 2021-01-04.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3.1

7.5

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

EPSS (30-day exploit likelihood)

63%

Higher than 99.1% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

None known

Get the full CVE-2021-3017 brief as a PDF

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Description

The web interface on Intelbras WIN 300 and WRN 342 devices through 2021-01-04 allows remote attackers to discover credentials by reading the def_wirelesspassword line in the HTML source code.

Affected Products

2 affected entries in total

Product	Affected versions	Fixed in
Win 300 FirmwareIntelbras	See advisory	2021-01-04
Wrn 342 FirmwareIntelbras	See advisory	2021-01-04

Patched Releases

Win 300 Firmware

<=2021-01-04

Wrn 342 Firmware

<=2021-01-04

Timeline

Publicly disclosed
Apr 14, 2021
Last updated
Nov 21, 2024

References

FAQ

Common Questions.

The web interface on Intelbras WIN 300 and WRN 342 devices through 2021-01-04 allows remote attackers to discover credentials by reading the def_wirelesspassword line in the HTML source code.
Affected: Win 300 Firmware (Intelbras); Wrn 342 Firmware (Intelbras). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Win 300 Firmware <=2021-01-04, Wrn 342 Firmware <=2021-01-04, Win 300 Firmware 2021-01-04.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

Is CVE-2021-3017 Running On Your Attack Surface?

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