CVE-2026-35902: The RTSP service of MERCURY IP camera MIPC252W 1.0.5 Build 230306 has an issue handling failed Digest authenti

Routine

MEDIUM 6.2MITIGATE

CVE-2026-35902 is a medium-severity flaw (CVSS 6.2) affecting mipc252w firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The RTSP service of MERCURY IP camera MIPC252W 1.0.5 Build 230306 has an issue handling failed Digest authentication attempts. By repeatedly sending RTSP requests with invalid authentication parameters, an unauthenticated attacker can cause the RTSP service to enter a persistent authentication failure state, preventing legitimate clients from authenticating and leading to a denial of service.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.2 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.2% (top 93%)
CISA exploited list	No
Weakness	CWE-307
Published	2026-04-27
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: mercurycom

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-27 19:16 UTCPublished CVE record published
2026-06-17 10:41 UTCUpdated Record last modified

mercurycom mipc252w firmware MITIGATE

Affected: 1.0.5 build_230306

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.5

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-35902?

mipc252w firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-35902 being exploited?

CVE-2026-35902 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-35902 affect?

CVE-2026-35902 affects mipc252w firmware. Severity is medium (CVSS 6.2). The RTSP service of MERCURY IP camera MIPC252W 1.0.5 Build 230306 has an issue handling failed Digest authentication attempts. By repeatedly sending RTSP requests with invalid authentication parameters, an unauthenticated attacker can cause

How urgent is CVE-2026-35902?

Priority 29/100. Public exploit reference

Related CVEs

CVE-2026-35903 CRITICAL 9.8 MITIGATE MERCURY MIPC252W IP camera 1.0.5 Build 230306 Rel.79931n contains an improper authentication vulnerability in
CVE-2026-35901 MEDIUM 4.4 MITIGATE A handling issue in the RTSP service of the Mercury MIPC252W 1.0.5 Build 230306 Rel.79931n allows an authentic
CVE-2026-31256 HIGH 7.5 MITIGATE A null pointer dereference vulnerability exists in the RTSP service of the MERCURY MIPC252W 1.0.5 Build 230306

References

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