How severe is CVE-2026-30652?

CVE-2026-30652 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-30652 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-30652?

CVE-2026-30652 affects Vivotek Fd8136 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-30652?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-30652 have an EU (EUVD) identifier?

Yes. CVE-2026-30652 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33968.

When was CVE-2026-30652 published?

CVE-2026-30652 was published on 2026-06-02 and last updated on 2026-07-04.

CVE-2026-30652

CVE-2026-30652 is a high-severity vulnerability in Vivotek Fd8136 Firmware with a CVSS 3.x base score of 8.8. 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-120.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-33968
Weakness: CWE-120
Affected product: Vivotek Fd8136 Firmware
Published: 2026-06-02
Last modified: 2026-07-04

Description

A remote buffer overflow vulnerability exists in the /cgi-bin/dido/setdo.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.

Frequently asked questions

What is CVE-2026-30652?: A remote buffer overflow vulnerability exists in the /cgi-bin/dido/setdo.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.
How severe is CVE-2026-30652?: CVE-2026-30652 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-30652 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-30652?: CVE-2026-30652 affects Vivotek Fd8136 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-30652?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-30652 have an EU (EUVD) identifier?: Yes. CVE-2026-30652 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33968.
When was CVE-2026-30652 published?: CVE-2026-30652 was published on 2026-06-02 and last updated on 2026-07-04.

References

https://github.com/xchg-rax-rax/vulnerability-research/tree/main/CVE-2026-30652

EU advisories (EUVD)

http://vivotek.com

Affected products (1)

cpe:2.3:o:vivotek:fd8136_firmware:0300a:*:*:*:*:*:*:*

More vulnerabilities in Vivotek Fd8136 Firmware

CVE-2018-14496 — Critical (CVSS 9.8): Vivotek FD8136 devices allow remote memory corruption and remote code execution because of a stack-based buffer…
CVE-2018-14495 — Critical (CVSS 9.8): Vivotek FD8136 devices allow Remote Command Injection, aka "another command injection vulnerability in our target…
CVE-2018-14494 — Critical (CVSS 9.8): Vivotek FD8136 devices allow Remote Command Injection, related to BusyBox and wget. NOTE: the vendor sent a…
CVE-2026-30650 — High (CVSS 8.8): A post-authentication remote buffer overflow vulnerability exists in the /cgi-bin/admin/eventtask.cgi endpoint of the…
CVE-2026-30649 — High (CVSS 7.3): Buffer Overflow vulnerability in VIVOTEK INC FD8136-VVTK-0300a allows a remote attacker to execute arbitrary code via…
CVE-2026-35718 — Medium (CVSS 6.5): A path traversal vulnerability in the /admin/downloadMedias.cgi endpoint of VIVOTEK INC FD8136-VVTK firmware 0300a…

All CVEs affecting Vivotek Fd8136 Firmware →

Other CWE-120 (Classic Buffer Overflow) vulnerabilities

CVE-2025-48611 — Critical (CVSS 10.0): In DeviceId of DeviceId.java, there is a possible desync in persistence due to a missing bounds check. This could lead…
CVE-2026-24823 — Critical (CVSS 10.0): Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in FASTSHIFT…
CVE-2026-24810 — Critical (CVSS 10.0): Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in rethinkdb (src/cjson modules).…
CVE-2026-24800 — Critical (CVSS 10.0): Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in tildearrow…
CVE-2025-9962 — Critical (CVSS 10.0): A buffer overflow vulnerability in Novakon P series allows attackers to gain root permission without prior…
CVE-2010-10016 — Critical (CVSS 10.0): BS.Player version 2.57 (build 1051) contains a vulnerability in its playlist import functionality. When processing .m3u…

Browse all CWE-120 (Classic Buffer Overflow) vulnerabilities →