Skip to content
WatchlistCritical

CVE-2023-3306RG-EW1200G Vulnerability

It has been declared as critical.

Published Jun 18, 2023 · Updated Dec 16, 2024

Key Facts

Patch immediately
  • CVE-2023-3306 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Rg-Ew1200g Firmware (Ruijie), RG-EW1200G.
  • It is exploited in the wild, listed in Industry KEV feed since May 22, 2024. No public exploit code is known.
  • EPSS estimates a 23% 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.

Scores

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)

23%

Higher than 97.7% of all scored CVEs

Exploit maturity

Proof of concept

ATLAS score

39/100

Publication score, see How it works

Exploitation Verdict

KEV listed

May 22, 2024

Federal due date

None

No federal due date

Ransomware use

Not reported

Attributed actors

None named

Exploit & Defence Guidance

Exploit maturity

Proof of concept

Public exploit code

1

Proof-of-concept links

In-the-wild evidence

1

Reports of active use

Advisories And Exploit References

Description

A vulnerability was found in Ruijie RG-EW1200G EW_3.0(1)B11P204. It has been declared as critical. This vulnerability affects unknown code of the file app.09df2a9e44ab48766f5f.js of the component Admin Password Handler.

The manipulation leads to improper access controls. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

VDB-231802 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Known-Exploited Catalog Listings

CatalogAddedRemediation dueRansomware use
Industry KEV feedMay 22, 2024n/aNot reported

Affected Products

2 affected entries in total
ProductAffected versionsFixed in
Rg-Ew1200g FirmwareRuijieew_3.0\(1\)b11p204n/a
RG-EW1200G>= EW_3.0(1)B11P204n/a

Timeline

  1. Publicly disclosed

    Jun 18, 2023

  2. Added to Industry KEV feed

    May 22, 2024

  3. Last updated

    Dec 16, 2024

Weakness Type

  • CWE-284 Improper Access Control

FAQ

Common Questions.

Is CVE-2023-3306 On Your Attack Surface?

Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.

Request A Demo

Figures as of Oct 19, 2026. Compiled by Brandefense technologies from public vulnerability catalogs; scoring as described in How it works.

To report an error, contact Brandefense.