CVE-2024-5631Network attack vector

Video access via cleartext password-change credentials

Published Jul 9, 2024 · Updated Aug 1, 2024

Cleartext credential transmission in Longse NVR3608PGE2W and ZAMEL ZMB-01 firmware allows man-in-the-middle attackers to access video. When an account password is changed in the recorder portal, the firmware sends the login and password unencrypted to its remote-control service. An attacker positioned on that communication path can capture and reuse the credentials to view camera streams; no modification or service interruption is reported.

CVSS severity6.0
Medium
EPSS probability0.21%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cleartext credential transmission in Longse NVR3608PGE2W and ZAMEL ZMB-01 firmware allows man-in-the-middle attackers to access video. When an account password is changed in the recorder portal, the firmware sends the login and password unencrypted to its remote-control service. An attacker positioned on that communication path can capture and reuse the credentials to view camera streams; no modification or service interruption is reported.

The record

CVE
CVE-2024-5631
Published
Jul 9, 2024
Updated
Aug 1, 2024
Vendor
ZAMEL Sp. z o.o.
Product
ZMB-01
Classifications
CWE-319, CAPEC-117, T1040
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 9, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 1, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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

  1. Affected versionversion=0 <=*

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

ZAMEL Sp. z o.o. · ZMB-01version=0 <=*
Longse Technology Limited · NVR3608PGE2Wversion=0 <=*

Published CVSS scores

6.0CERT PolskaCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

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-319Cleartext Transmission of Sensitive Information
CAPEC-117Interception
T1040Network Sniffing

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

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Your stack

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