Is CVE-2026-3274 in the CISA KEV catalog?

No. CVE-2026-3274 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-3274?

CVE-2026-3274 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2026-3274?

CVE-2026-3274 has an EPSS score of 0.94% (56th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2026-3274

HIGH

8.8

CVSS v3

NVD

Description

A security flaw has been discovered in Tenda F453 1.0.0.3. Affected by this issue is the function frmL7ProtForm of the file /goform/L7Prot of the component httpd. Performing a manipulation of the argument page results in buffer overflow. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks.

CWE-119Buffer Overflow CWE-120

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.94%probability of exploitation in 30 days

56thpercentile

Moderate risk: more likely to be exploited than 56% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-02-27.