CVE-2026-85478: Missing Auth (CVSS 3.5)

Description

A CM2507 IP camera running firmware version HMT.CM2507 v251211.1507 exposes an interactive bootloader through a physical debug interface without requiring authentication. An attacker with physical access could interrupt the normal boot process and access functionality that permits inspection or modification of boot configuration, firmware data, and software loaded by the device.

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CVSS v3.1 Score

3.5

LOW

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

EPSS — Exploit Prediction

0.0022

Probability of exploitation

0.12%

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-306 Missing Authentication

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-2026-85478? +

A CM2507 IP camera running firmware version HMT.CM2507 v251211.1507 exposes an interactive bootloader through a physical debug interface without requiring authentication. An attacker with physical access could interrupt the normal boot process and access functionality that permits inspection or modification of boot configuration, firmware data, and software loaded by the device. It has a CVSS v3.1 base score of 3.5 (LOW).

How severe is CVE-2026-85478? +

CVE-2026-85478 has a CVSS v3.1 score of 3.5 out of 10, rated LOW. This is a low-severity vulnerability with limited impact. The EPSS score is 0.0022, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-85478? +

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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