How severe is CVE-2026-2086?

CVE-2026-2086 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-2026-2086 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-2086?

CVE-2026-2086 affects Utt 810g Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-2086?

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-2026-2086 have an EU (EUVD) identifier?

Yes. CVE-2026-2086 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5727.

When was CVE-2026-2086 published?

CVE-2026-2086 was published on 2026-02-07 and last updated on 2026-06-17.

CVE-2026-2086

CVE-2026-2086 is a high-severity vulnerability in Utt 810g 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-119.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
CVSS v4: 7.4
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-5727
Weakness: CWE-119
Affected product: Utt 810g Firmware
Published: 2026-02-07
Last modified: 2026-06-17

Description

A vulnerability was detected in UTT HiPER 810G up to 1.7.7-171114. Affected by this vulnerability is the function strcpy of the file /goform/formFireWall of the component Management Interface. The manipulation of the argument GroupName results in buffer overflow. The attack can be launched remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2026-2086?: A vulnerability was detected in UTT HiPER 810G up to 1.7.7-171114. Affected by this vulnerability is the function strcpy of the file /goform/formFireWall of the component Management Interface. The manipulation of the argument GroupName results in buffer overflow. The attack can be launched remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2026-2086?: CVE-2026-2086 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-2026-2086 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-2086?: CVE-2026-2086 affects Utt 810g Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-2086?: 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-2026-2086 have an EU (EUVD) identifier?: Yes. CVE-2026-2086 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5727.
When was CVE-2026-2086 published?: CVE-2026-2086 was published on 2026-02-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:utt:810g_firmware:*:*:*:*:*:*:*:*

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