How severe is CVE-2026-0836?

CVE-2026-0836 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-2026-0836 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-0836?

CVE-2026-0836 affects Utt 520w Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-0836?

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-2026-0836 have an EU (EUVD) identifier?

Yes. CVE-2026-0836 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1906.

When was CVE-2026-0836 published?

CVE-2026-0836 was published on 2026-01-11 and last updated on 2026-06-17.

CVE-2026-0836

CVE-2026-0836 is a high-severity vulnerability in Utt 520w 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% (52nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-1906
Weakness: CWE-119
Affected product: Utt 520w Firmware
Published: 2026-01-11
Last modified: 2026-06-17

Description

A vulnerability was determined in UTT 进取 520W 1.7.7-180627. The impacted element is the function strcpy of the file /goform/formConfigFastDirectionW. This manipulation of the argument ssid causes buffer overflow. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2026-0836?: A vulnerability was determined in UTT 进取 520W 1.7.7-180627. The impacted element is the function strcpy of the file /goform/formConfigFastDirectionW. This manipulation of the argument ssid causes buffer overflow. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2026-0836?: CVE-2026-0836 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-2026-0836 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-0836?: CVE-2026-0836 affects Utt 520w Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-0836?: 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-2026-0836 have an EU (EUVD) identifier?: Yes. CVE-2026-0836 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1906.
When was CVE-2026-0836 published?: CVE-2026-0836 was published on 2026-01-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:utt:520w_firmware:*:*:*:*:*:*:*:*

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