How severe is CVE-2026-31059?

CVE-2026-31059 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-31059 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-31059?

CVE-2026-31059 affects Utt 520w Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-31059?

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

Does CVE-2026-31059 have an EU (EUVD) identifier?

Yes. CVE-2026-31059 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19253.

When was CVE-2026-31059 published?

CVE-2026-31059 was published on 2026-04-06 and last updated on 2026-06-17.

CVE-2026-31059

CVE-2026-31059 is a critical-severity vulnerability in Utt 520w Firmware with a CVSS 3.x base score of 9.8. 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-77.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-19253
Weakness: CWE-77
Affected product: Utt 520w Firmware
Published: 2026-04-06
Last modified: 2026-06-17

Description

A remote command execution (RCE) vulnerability in the /goform/formDia component of UTT Aggressive HiPER 520W v3v1.7.7-180627 allows attackers to execute arbitrary commands via a crafted string.

Frequently asked questions

What is CVE-2026-31059?: A remote command execution (RCE) vulnerability in the /goform/formDia component of UTT Aggressive HiPER 520W v3v1.7.7-180627 allows attackers to execute arbitrary commands via a crafted string.
How severe is CVE-2026-31059?: CVE-2026-31059 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-31059 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-31059?: CVE-2026-31059 affects Utt 520w Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-31059?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-31059 have an EU (EUVD) identifier?: Yes. CVE-2026-31059 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19253.
When was CVE-2026-31059 published?: CVE-2026-31059 was published on 2026-04-06 and last updated on 2026-06-17.

References

https://github.com/zxq0408/Vul202601/blob/main/9.md

Affected products (1)

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

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