How severe is CVE-2026-35906?

CVE-2026-35906 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-35906 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-35906?

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-2026-35906 have an EU (EUVD) identifier?

Yes. CVE-2026-35906 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34276.

When was CVE-2026-35906 published?

CVE-2026-35906 was published on 2026-06-04 and last updated on 2026-06-17.

CVE-2026-35906

CVE-2026-35906 is a critical-severity vulnerability with a CVSS 3.x base score of 9.6. 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-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.6)
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-34276
Weakness: CWE-78
Published: 2026-06-04
Last modified: 2026-06-17

Description

An undocumented debug CGI endpoint in T3 Technology CPE models T625Pro v1.0.07, T6825G v1.0.03 allows unauthenticated attackers to execute arbitrary system commands as root via supplying a crafted HTTP query string.

Frequently asked questions

What is CVE-2026-35906?: An undocumented debug CGI endpoint in T3 Technology CPE models T625Pro v1.0.07, T6825G v1.0.03 allows unauthenticated attackers to execute arbitrary system commands as root via supplying a crafted HTTP query string.
How severe is CVE-2026-35906?: CVE-2026-35906 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-35906 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-35906?: 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-2026-35906 have an EU (EUVD) identifier?: Yes. CVE-2026-35906 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34276.
When was CVE-2026-35906 published?: CVE-2026-35906 was published on 2026-06-04 and last updated on 2026-06-17.

References

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