CVE-2025-4842Public exploitNetwork attack vector

Authenticated memory corruption via unbounded CameraName copy

Published May 17, 2025 · Updated May 19, 2025

Stack-based buffer overflow in D-Link DCS-932L 2.18.01 allows remote authenticated users to corrupt memory via a crafted camera name. An authenticated setSystemWizard request stores CameraName in NVRAM, and /sbin/ucp's isUCPCameraNameChanged copies it into a stack buffer with strcpy without a length check. The configuration route is the reachability gate; the resulting stack corruption permits a service crash, while code execution remains unproven.

CVSS severity9.8
Critical
EPSS probability1.22%
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

Stack-based buffer overflow in D-Link DCS-932L 2.18.01 allows remote authenticated users to corrupt memory via a crafted camera name. An authenticated setSystemWizard request stores CameraName in NVRAM, and /sbin/ucp's isUCPCameraNameChanged copies it into a stack buffer with strcpy without a length check. The configuration route is the reachability gate; the resulting stack corruption permits a service crash, while code execution remains unproven.

The record

CVE
CVE-2025-4842
Published
May 17, 2025
Updated
May 19, 2025
Vendor
D-Link
Product
DCS-932L
Classifications
CWE-119, CWE-121, CWE-787, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 17, 2025CVE publishedPublication date reported by the CVE source.
  2. May 19, 2025Record 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=2.18.01

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

D-Link · DCS-932Lversion=2.18.01

Published CVSS scores

8.7VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
9.8NISTCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.0VulDBAV:N/AC:L/Au:S/C:C/I:C/A:C
8.8VulDBCVSS:3.1/AV:N/AC:L/PR:L/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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-121Stack-based Buffer Overflow
CWE-787Out-of-bounds Write
T1190Exploit Public-Facing Application

Public exploit references

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