CVE-2026-30650

Description

A post-authentication remote buffer overflow vulnerability exists in the /cgi-bin/admin/eventtask.cgi endpoint of the admin interface of Vivotek FD8136 cameras running firmware version FD8136-VVTK-0300a. This flaw allows an authenticated attacker to execute arbitrary code as root on the device remotely.

CVSS v3.1 Score

8.8

HIGH

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

EPSS — Exploit Prediction

0.0069

Probability of exploitation

0.48%

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-120 CWE-120

Affected Products

Vendor	Product	Versions
vivotek	fd8136_firmware	All
vivotek	fd8136	All

References

Other References

http://vivotek.com https://github.com/xchg-rax-rax/vulnerability-research/tree/main/CVE-2026-30650

Frequently Asked Questions

What is CVE-2026-30650? +

A post-authentication remote buffer overflow vulnerability exists in the /cgi-bin/admin/eventtask.cgi endpoint of the admin interface of Vivotek FD8136 cameras running firmware version FD8136-VVTK-0300a. This flaw allows an authenticated attacker to execute arbitrary code as root on the device remotely. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-30650? +

CVE-2026-30650 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0069, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-30650? +

CVE-2026-30650 affects products from vivotek, specifically: fd8136, fd8136_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-30650? +

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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