CVE-2026-35901

Session interruption via repeated RTSP SETUP requests

Published Apr 27, 2026 · Updated Apr 27, 2026

Denial of service in the Mercury MIPC252W RTSP service 1.0.5 Build 230306 Rel.79931n allows attackers to terminate RTSP sessions. The service accepts repeated SETUP requests for the same media track within one session and resets the RTSP connection instead of rejecting the duplicate request. An authenticated session and high privileges are required; the documented consequence is loss of that connection, not a device crash or reboot.

CVSS severity4.4
Medium
EPSS probability0.25%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Denial of service in the Mercury MIPC252W RTSP service 1.0.5 Build 230306 Rel.79931n allows attackers to terminate RTSP sessions. The service accepts repeated SETUP requests for the same media track within one session and resets the RTSP connection instead of rejecting the duplicate request. An authenticated session and high privileges are required; the documented consequence is loss of that connection, not a device crash or reboot.

The record

CVE
CVE-2026-35901
Published
Apr 27, 2026
Updated
Apr 27, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-400, T1499.004
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Apr 27, 2026CVE publishedPublication date reported by the CVE source.
  2. Apr 27, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

4.4CISA-ADPCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/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.

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No observations available

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

Weakness, pattern, technique

CWE-400Uncontrolled Resource Consumption
T1499.004Application or System Exploitation

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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