CVE-2026-84398 (CVSS 7.5)

Description

CM2507 IP cameras accept an empty password for a privileged account exposed through its ONVIF management service. An attacker with network access to the affected device could access privileged management functions and obtain device, user, media-profile, and stream configuration information.

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CVSS v3.1 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS — Exploit Prediction

0.0041

Probability of exploitation

0.34%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-258 CWE-258

References

Other References

https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-258-08.json https://www.cisa.gov/news-events/ics-advisories/icsa-26-258-08

Frequently Asked Questions

What is CVE-2026-84398? +

CM2507 IP cameras accept an empty password for a privileged account exposed through its ONVIF management service. An attacker with network access to the affected device could access privileged management functions and obtain device, user, media-profile, and stream configuration information. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-84398? +

CVE-2026-84398 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0041, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-84398? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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