How severe is CVE-2026-31065?

CVE-2026-31065 has a CVSS 3.x base score of 4.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-31065 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-31065?

CVE-2026-31065 affects Utt 520w Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-31065?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-31065 have an EU (EUVD) identifier?

Yes. CVE-2026-31065 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19263.

When was CVE-2026-31065 published?

CVE-2026-31065 was published on 2026-04-06 and last updated on 2026-06-17.

CVE-2026-31065

CVE-2026-31065 is a medium-severity vulnerability in Utt 520w Firmware with a CVSS 3.x base score of 4.5. 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: Medium (CVSS 3.x base score 4.5)
EPSS exploit prediction: 0% (14th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-19263
Weakness: CWE-120
Affected product: Utt 520w Firmware
Published: 2026-04-06
Last modified: 2026-06-17

Description

UTT Aggressive 520W v3v1.7.7-180627 was discovered to contain a buffer overflow in the addCommand parameter of the formConfigCliForEngineerOnly function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.

Frequently asked questions

What is CVE-2026-31065?: UTT Aggressive 520W v3v1.7.7-180627 was discovered to contain a buffer overflow in the addCommand parameter of the formConfigCliForEngineerOnly function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
How severe is CVE-2026-31065?: CVE-2026-31065 has a CVSS 3.x base score of 4.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-31065 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-31065?: CVE-2026-31065 affects Utt 520w Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-31065?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-31065 have an EU (EUVD) identifier?: Yes. CVE-2026-31065 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19263.
When was CVE-2026-31065 published?: CVE-2026-31065 was published on 2026-04-06 and last updated on 2026-06-17.

References

https://github.com/zxq0408/Vul202601/blob/main/8.md

Affected products (1)

cpe:2.3:o:utt:520w_firmware:1.7.7-180627:*:*:*:*:*:*:*

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