How severe is CVE-2026-35902?

CVE-2026-35902 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-35902 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-35902?

CVE-2026-35902 affects Mercurycom Mipc252w Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-35902?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-35902 have an EU (EUVD) identifier?

Yes. CVE-2026-35902 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25903.

When was CVE-2026-35902 published?

CVE-2026-35902 was published on 2026-04-27 and last updated on 2026-06-17.

CVE-2026-35902

CVE-2026-35902 is a medium-severity vulnerability in Mercurycom Mipc252w Firmware with a CVSS 3.x base score of 6.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-307.

Key facts

Severity: Medium (CVSS 3.x base score 6.2)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-25903
Weakness: CWE-307
Affected product: Mercurycom Mipc252w Firmware
Published: 2026-04-27
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2026-35902?: 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.
How severe is CVE-2026-35902?: CVE-2026-35902 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-35902 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-35902?: CVE-2026-35902 affects Mercurycom Mipc252w Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-35902?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-35902 have an EU (EUVD) identifier?: Yes. CVE-2026-35902 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25903.
When was CVE-2026-35902 published?: CVE-2026-35902 was published on 2026-04-27 and last updated on 2026-06-17.

References

https://github.com/izxnfirh8148/CVE_REQUESTS_references/blob/main/MERCURY_MIPC252W/MERCURY_MIPC252W_3th/README.md

Affected products (1)

cpe:2.3:o:mercurycom:mipc252w_firmware:1.0.5:build_230306:*:*:*:*:*:*

More vulnerabilities in Mercurycom Mipc252w Firmware

CVE-2026-35903 — Critical (CVSS 9.8): MERCURY MIPC252W IP camera 1.0.5 Build 230306 Rel.79931n contains an improper authentication vulnerability in the RTSP…
CVE-2026-31256 — High (CVSS 7.5): A null pointer dereference vulnerability exists in the RTSP service of the MERCURY MIPC252W 1.0.5 Build 230306…
CVE-2026-35901 — Medium (CVSS 4.4): A handling issue in the RTSP service of the Mercury MIPC252W 1.0.5 Build 230306 Rel.79931n allows an authenticated…

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