CVE-2023-32222Network attack vector

Unauthenticated web-management access via undisclosed bypass

Published Jun 28, 2023 · Updated Nov 27, 2024

Authentication bypass in D-Link DSL-G256DG BZ_1.00.27 allows remote attackers on the LAN to access the web management interface. D-Link has not published the request, endpoint, or authentication-handling error that permits the bypass. Exploitation requires LAN-side reachability and bypasses the interface login; no further post-authentication capability has been specifically documented.

CVSS severity9.8
Critical
EPSS probability1.94%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Authentication bypass in D-Link DSL-G256DG BZ_1.00.27 allows remote attackers on the LAN to access the web management interface. D-Link has not published the request, endpoint, or authentication-handling error that permits the bypass. Exploitation requires LAN-side reachability and bypasses the interface login; no further post-authentication capability has been specifically documented.

The record

CVE
CVE-2023-32222
Published
Jun 28, 2023
Updated
Nov 27, 2024
Vendor
D-Link
Product
DSL-G256DG
Classifications
CWE-287
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 28, 2023CVE publishedPublication date reported by the CVE source.
  2. Nov 27, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.00.27

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

D-Link · DSL-G256DGversion=1.00.27
D-Link Corporation · DSL-G256DG Firmwareversion=Manufacturer recommends replacing the unit. <All version*

Published CVSS scores

9.8Israel National Cyber DirectorateCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-287Improper Authentication

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo